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== Lede's prose on scientific consensus ==
:'''1. Well written?:''' High level of writing
:'''2. Factually accurate?:''' Appears good but contested
:'''3. Broad in coverage?:''' Very well referenced
:'''4. Neutral point of view?:''' Topic is inherently controversial, difficult to maintain a neutral POV though there are many level editors trying
:'''5. Article stability?''' Unstable, multiple revert/edit wars.
:'''6. Images?:''' Multiple graphs, good photgraphs


I think that {{tq|modern science has concluded that race is a socially constructed phenomenon rather than a biological reality,}} would be better reworded to match the section on race further into the article.
When these issues are addressed, the article can be ] for consideration. Thanks for your work so far.<!-- Template:FGAN -->
--] 14:23, 25 August 2006 (UTC)


From this article's 'Race' section:
{| class="infobox" width="270px"
|-
! align="center" | ]<br />]
----
|-
|
''']'''


{{tq|The majority of anthropologists today consider race to be a sociopolitical phenomenon rather than a biological one, a view supported by considerable genetics research. The current mainstream view in the social sciences and biology is that race is a social construction based on folk ideologies that construct groups based on social disparities and superficial physical characteristics...}}
], ], ], ], ], ], ], ], ], ]


This wording, which present race's social construction as a consensus view among scientists, rather than something which has been shown or concluded by ''science'', is more in line with the wordings and contexts of reliable sources, like the consensus reports by ] () and the ] (), which present arguments to support their consensus, but not scientifically-derived conclusions that would be appropriately reported with the {{tq|modern science has concluded...}} verbiage. Similarly, presents race's social construction as a consensus view, again presenting arguments to support it, rather than as a scientific finding ''per se'':
], ], ], ], ], ], ]


{{tq|Today, the mainstream belief among scientists is that race is a social construct without biological meaning.}}
], ], ], ], ], ], ] ], ], ] ], ], ], ], ], ], ]
|}


From '''':


{{tq|Results demonstrate consensus that there are no human biological races and recognition that race exists as lived social experiences that can have important effects on health.}}


From '''':


{{tq|Most scholars in the biologic and social sciences converge on the view that racism shapes social experiences and has biologic consequences and that race is not a meaningful scientific construct in the absence of context.}}


All of these sources report race's social construction as a consensus view held broadly by scientists, and not as a finding that has been shown or concluded by ''science''. None of them report it as a something that ''science'' has ''found'', ''shown'', or ''concluded''. Among all of these, the current lede prose stands out—which, given that Misplaced Pages's role is to follow consensus of reliable secondary sources, it shouldn't.


I propose the following options, or similar:


{{tq|...modern scientific consensus regards race to be a socially constructed phenomenon rather than a biological reality,}}


{{tq|...modern scientific consensus considers race to be a socially constructed phenomenon rather than a biological reality,}}
== Arbor's issue about the Race assumption ==


{{tq|...the consensus in modern science is that race is a socially constructed phenomenon rather than a biological reality,}}


{{tq|...the prevailing view in contemporary science is that race is a socially constructed phenomenon rather than a biological reality,}}
For a long time, we have opened with an assumption about Race being biologically meaningful (or something to that effect—the bulleted assumption in the lead block). I have never liked that. (Not because I disagree. I am ''certain'' Race is biologically meaningful. I also think it is ''politically'' dangerous.) The reason is kind of subtle, and I am not sure I am able to explain it clearly enough, because there are soooo many ways to be misunderstood in this charged environment. Bear with me.


{{tq|...scientists generally agree today that race is a socially constructed phenomenon rather than a biological reality,}} ] (]) 23:44, 17 December 2023 (UTC)
This article (according to my vision) should be about '''Race and intelligence'''. All points-of-view. Including those I disagree with, for example the viewpoint that “Race is a social construct, and all IQ differences between races are the result of environmental effects”. ''Environmental effects'' here in the broadest sense, including nutrition (which may vary among races for cultural reasons), education (which may vary among races because of discrimination or learning attitude differences among subcultures), test bias, whatnot. For example, it is a reasonable explanation to posit that “Ashkenazi Jews are smarter than other Europeans because of a thousands-years old tradition for book learning”.


:I'll start by pointing out to anyone who may just be stumbling on this thread that Zanahary and I (and {{u|MrOllie}}) have ]. My view is that the sources do indeed present the view that race is a social construct rather than a biological reality as a ''finding'' or ''conclusion'' reached in the genomics era, rather than a mere convention. Here's how ] et al. explain it:
I like these kinds of arguments (even though I slowly come to understand that they aren't the full picture), and they certainly are well-published. I think this article should include them. (As it does now, and always has.) In fact, I would like them to be even more visible.
:{{talkquote|Research in the 20th century found that the crude categorisations used colloquially (black, white, East Asian etc.) were not reflected in actual patterns of genetic variation, meaning that differences and similarities in DNA between people did not perfectly match the traditional racial terms. The conclusion drawn from this observation is that race is therefore a socially constructed system, where we effectively agree on these terms, rather than their existing as essential or objective biological categories. Some people claim that the exquisitely detailed picture of human variation that we can now obtain by sequencing whole genomes contradicts this. Recent studies, they argue, actually show that the old notions of races as biological categories were basically correct in the first place. As evidence for this they often point to the images produced by analyses in studies that seem to show natural clustering of humans into broadly continental groups based on their DNA. But these claims misinterpret and misrepresent the methods and results of this type of research. Populations do show both genetic and physical differences, but the analyses that are cited as evidence for the concept of race as a biological category actually undermine it.}}
:Yes, convention also plays a role because of garbage-in/garbage-out concerns, as is emphasized by the I suggested in our previous conversation on this language. But the basic fact that race serves as a "weak proxy for genetic diversity" was a genuine discovery that had to wait for the era of DNA sequencing to become settled science. That's why I stand behind "...modern science has concluded..." as a perfectly accurate way to phrase this.
:I do thank you, though, for pointing out that the body needed to comport better with the lead. It really was out of date, so I've made an effort to update it. Cheers, ] (]) 01:15, 18 December 2023 (UTC)
::I think the update you've made to the Race section is great! The new verbiage is specific and contextualizes the view as one of consensus. I hope that the lede can follow it, even verbatim or nearly so.{{pb}}For ease, the new verbiage in the Race section: {{tq|The consensus view among geneticists, biologists and anthropologists is that race is sociopolitical phenomenon rather than a biological one, a view supported by considerable genetics research.}}{{pb}}For anyone stumbling upon this now, I've started this discussion with a more specific aim (matching reliable sources), and with sources to support my proposed verbiage, than my previous started discussion, which I'd initiated with less context and editing experience. ] (]) 02:47, 18 December 2023 (UTC)
:::Thanks Zanahary. I contemplated a more thorough revision (not sure if we really need more than the first two paragraphs of the "Race" section to convey the necessary information to the reader of this article), but for the time being decided not to be so BOLD. I'd be curious to hear what you think of that suggestion though.
:::Wrt the lead sentence on scientific consensus, it may be that you and I just have slightly different intuitions about how best to summarize the sources. Let's see what others have to say, and if no one else here wants to weigh in there is always the option of posting at ]. The best thing about Misplaced Pages (in my view) is being able to tap into the wisdom of crowds –– in our case, thankfully, crowds of very well informed editors who have been doing this for a while. ] (]) 03:12, 18 December 2023 (UTC)
::::The Race section, in my opinion, is definitely sufficient to convey the necessary context for unfamiliar readers to understand what follows. ] (]) 04:26, 18 December 2023 (UTC)
:::::Ah, I wasn't clear. My idea is to cut all but the first two paragraphs of the section. Those two paragraphs are where we highlight the consensus statements from the major scientific organizations. The rest of the section seems to get into the weeds in a way that I'm not sure is especially helpful. Maybe it's best to just leave it to readers who want to learn more to click through the "Main articles" header to ] or ]?
:::::I'm not especially committed to this idea. It's just something that occurred to me when reading through the section with fresh eyes. ] (]) 04:53, 18 December 2023 (UTC)
::::::Ah, gotcha. In that case, I think it should stay. The self-report is an important piece of context for the reader to interpret all the statistical references that follow. The clustering part is good too, though I'm going to go ahead and switch its place with the self-report paragraph, since I think it more naturally belongs after paragraphs about scientific conceptions and treatments of race than a paragraph about collection methods. ] (]) 05:38, 18 December 2023 (UTC)
:::::::I like what you did there. You're right: the section does flow much better now.
:::::::The one part that still strikes me as muddled is the final bit: everything from {{tq|Hunt and Carlson disagreed...}} onward. I'm not sure what an ordinary reader is meant to take away from this. And is it really DUE to mention a disagreement among psychologists about how to read a genetics paper? In any case, if others think it ''is'' DUE, it should probably be revised for clarity. ] (]) 16:32, 18 December 2023 (UTC)
::::::::Unsure why the philosophers Jonathan Kaplan and Rasmus Winther get some much space, they seemingly argue "both Lewontin and Edwards are right", but the article hasn't yet introduced ] to the reader (who might wonder who they could be) and probably not the place to do that? ](]) 17:53, 18 December 2023 (UTC)
:::::::::Wow, good catch. I've made some edits, and marked a confusing sentence for clarification. ] (]) 19:14, 18 December 2023 (UTC)
::::Since it looks like the party's all here, would anyone care to give their input on the conclusion/finding/consensus/etc. verbiage question? @] @] @] @] @] @]<br>(Apologies if it's considered ugly to ping) ] (]) 17:59, 8 February 2024 (UTC)
:::::I don't have an informed opinion. ] (]) 20:13, 8 February 2024 (UTC)
:::I like that wording much better, including for the lead - ] (]) 10:25, 9 February 2024 (UTC)
::::I am reading the linked sources that are provided above. I'll have to get back to you on this. I will say, however, that saying ''<u>modern scientific consensus says such and such</u>'', is the same as saying ''<u>modern science has concluded such and such</u>.''


::::A mainstream consensus is the position that ''<u>science</u>'' takes on an issue. This ''<u>position</u>'' seems to be the same as reaching a ''<u>conclusion</u>'' on an issue — especially on an issue such as this, where the scientific consensus is probably overwhelming. I am not sure the wording needs to be changed, but I will get back to you on this - hopefully within a few days, after I explore the material. ---] (]) 23:58, 9 February 2024 (UTC)
Now, such explanations are explicitly ''not'' contingent on an assumption that Race is a biologically meaningful category. And therein lies the rub. The race assumption is simply wrong. It is ''not'' the fact that all scholarly discourse about why races differ in intelligence hinges on this assumption. Not even the hereditary position assumes that races are biologically meaningful. The race assumption is made ''only'' for the explanation the hereditary correlations are concordant with the social categories of race. So only a single (albeit, I am confident, the correct) POV needs that assumption.


::::So, saying "{{tq|modern science has concluded that race is a socially constructed phenomenon rather than a biological reality,"}} appears to be succinct, clear and accurate, There is no need to try to water down the message here or muddy the waters. And as I said, let me get back to you on this. ---] (]) 00:13, 10 February 2024 (UTC)
So I say either we remove all other POVs than Rushton–Jensen from this article (which I would oppose vehemently), or we move the contended assumption down to where it belongs, namely to a presentation of the position "IQ is hereditary" + "The genes that cause this correlate with racial categories". As it stands now, the article opens by positing an assumption that is only needed for a single POV. (Even though this POV has strong scholarly support.) ] 09:04, 29 August 2006 (UTC)
:::::I didn't see it as a watering down, if anything it seemed stronger; but I'm interested in your thoughts - ] (]) 00:24, 10 February 2024 (UTC)
::::::Another issue with the use of the term "consensus" is that on controversial topics, there can be significant differences between public and private views. Publicly stating an unpopular opinion on a controversial race issue can have disastrous consequences for a scientist's career. The Misplaced Pages article https://en.wikipedia.org/The_IQ_Controversy,_the_Media_and_Public_Policy is not referenced in this article but probably should be, as it surveyed intelligence researchers anonymously. Below is a relevant two-paragraph excerpt:
::::::The question regarding this in the survey asked "Which of the following best characterizes your opinion of the heritability of black-white differences in IQ?" Amongst the 661 returned questionnaires, 14% declined to answer the question, 24% said that there was insufficient evidence to give an answer, 1% said that the gap was "due entirely to genetic variation", 15% voted that it was "due entirely to environmental variation" and 45% said that it was a "product of genetic and environmental variation". According to Snyderman and Rothman, this contrasts greatly with the coverage of these views as represented in the media, where the reader is led to draw the conclusion that "only a few maverick 'experts' support the view that genetic variation plays a significant role in individual or group difference, while the vast majority of experts believe that such differences are purely the result of environmental factors."
::::::In their analysis of the survey results, Snyderman and Rothman state that the experts who described themselves as agreeing with the "controversial" partial-genetic views of ] did so only on the understanding that their identity would remain unknown in the published report. This was due, claim the authors, to fears of suffering the same kind of castigation experienced by Jensen for publicly expressing views on the correlation between race and intelligence which are privately held in the wider academic community.<sup>]'']</sup> ] (]) 14:20, 13 July 2024 (UTC)
:::::::You've left out that Snyderman and Rothman's results are themselves largely rejected by the relevant experts. 'Everyone secretly agrees with me but won't say so' is sometimes used as a debate tactic by scientific minorities, but it as unconvincing here as it is everywhere else it is used. ] (]) 14:27, 13 July 2024 (UTC)
::::::::Your entirely dismissive response is not justified by the content of that Misplaced Pages entry. If Misplaced Pages felt it was worthy of an entry of its own, then clearly it would be relevant to the 'Race and intelligence' article, and should be referenced. ] (]) 14:49, 13 July 2024 (UTC)
:::::::::Misplaced Pages also thinks that ] deserve an entry of their own, but you will find they are not mentioned on articles about astronomy. ] (]) 14:56, 13 July 2024 (UTC)
::::::::::If ] were shown to be largely accepted in a poll of published astronomy researchers, then it most certainly should be mentioned in articles about astronomy. ] (]) 15:05, 13 July 2024 (UTC)
:::::::::::If there were flaws in the polling, we'd probably mention it in its own article, and perhaps in a history article (like, say, ]). We wouldn't (and per ] could not) use it to try to undercut higher quality sources. ] (]) 15:17, 13 July 2024 (UTC)
::::::::::::There are other sources that support Snyderman and Rothman's view that there is no real consensus among intelligence researchers on the cause of the Black/White IQ gap. For example, see https://www.sciencedirect.com/science/article/abs/pii/S0160289619301886?via%3Dihub
::::::::::::In closing, I will note that the 'Race and Intelligence' article's quote that "genetics does not explain differences in IQ test performance between groups, and that observed differences are environmental in origin" is truly an extraordinary scientific claim (which would require extraordinary evidence to confirm). It rules out ''any'' genetic contribution to group differences allowing ''only'' for a 100% environmental effect. All human groups, in other words, have ''identical'' native intelligence. This may well be true, but any suggestion that researchers are anywhere close to demonstrating this as a scientific fact would be highly questionable. ] (]) 16:44, 13 July 2024 (UTC)
:::::::::::::Rindermann's survey has been discussed extensively in the talk pages archives. It's not surprising that he got the results that he did, since he surveyed the members of ISIR, who we knew very well would give the results he was looking for. Then he published it in a journal known for publishing racist pseudoscience. ] (]) 17:07, 13 July 2024 (UTC)
::::::::::::::Like it or not, ISIR's flagship publication 'Intelligence' is a leading journal in its field. The world-renowned behavioral geneticist Robert Plomin, for example, publishes papers here: https://www.sciencedirect.com/science/article/pii/S0160289624000278 . Again your totally dismissive attitude is unwarranted. Excluding all ISIR opinions cannot be justified. ] (]) 17:41, 13 July 2024 (UTC)
:::::::::::::::That journal isn't immune to publishing papers that are controversial and contested, something the ] article already points out. ] (]) 17:59, 13 July 2024 (UTC)
::::::::::::::::Being "immune to publishing papers that are controversial and contested" is not an appropriate requirement for a truth-seeking scientific journal. ] (]) 19:09, 13 July 2024 (UTC)
:::::::::::::::::Perhaps, perhaps not. Keeping white supremacists off the editorial board is an appropriate requirement, though. ] (]) 21:18, 13 July 2024 (UTC)
{{od}} I recently added a source<ref>{{Cite journal |last=Bird |first=Kevin |last2=Jackson |first2=John P. |last3=Winston |first3=Andrew S. |date=November 2023 |title=Confronting Scientific Racism in Psychology: Lessons from Evolutionary Biology and Genetics |url=https://www.researchgate.net/publication/375636242_Confronting_Scientific_Racism_in_Psychology_Lessons_from_Evolutionary_Biology_and_Genetics |journal=American Psychologist |quote=}}</ref> which should clear up any uncertainty as to where the scientific consensus stands on the matter: {{talkquote|Recent articles claim that the folk categories of race are genetically meaningful divisions, and that evolved genetic differences among races and nations are important for explaining immutable differences in cognitive ability, educational attainment, crime, sexual behavior, and wealth; all claims that are opposed by a '''strong scientific consensus''' to the contrary. ... Despite the veneer of modern science, RHR psychologists’ recent efforts merely repeat '''discredited''' racist ideas of a century ago. The issue is truly one of scientific standards; if psychology embraced the scientific practices of evolutionary biology and genetics, current forms of RHR would not be publishable in reputable scholarly journals.}} ] (]) 16:37, 13 July 2024 (UTC)
{{reflist-talk}}


== Piffer (2015) ==
:If you're referring to the lead block, bulleted assumption, then I agree. I disliked it previously and would welcome a correction or removal of that line. As you say, it is only required for the hereditarian hypothesis of causation. --] 09:08, 29 August 2006 (UTC)
Piffer (2015) found differing frequencies of cognition and IQ-enhancing genes in different racial populations:


https://gwern.net/doc/iq/2015-piffer.pdf
== secondary sources to establish notability ==


] (]) 23:39, 13 May 2024 (UTC)
many scholar have made singular claims and theories, which we do not have space or reason to mention in the main text of a summary style article -- not to mention an entire paragraph. a citation in a review paper, textbook, or the discussion of a primary reserach article could be used to establish notability. (another possible way to establish relevance is to show that they are a direct response to some other notable idea.) Jencks' labeling bias theory and Blair's speculative hypothesis about gF' being realted to the BW gap are two of those kinds.


:See ] for some well-sourced commentary on the merits of that particular publication. ] (]) 23:53, 13 May 2024 (UTC)
Jencks: only sources that cite Jencks' "labeling bias" theory are book reviews and Jencks himself in describing his book. no mention could be found in textbooks or primary literature search.
::The criticism appears to be sourced to a journalistic piece in a progressive political magazine and another in a pop-sci magazine. 'Well-sourced commentary' such as this doesn't weigh heavily when it comes to a highly-regarded, peer-reviewed scientific journal. ] (]) 01:42, 20 July 2024 (UTC)
:Here are sources which aren't book reviews or authored by Jencks which neverthless mention his concept of "labeling bias". Hope this will settle it.,,,, I also forgot to mention they mention Jencks by name as well.--] 18:10, 31 August 2006 (UTC)
:::'Highly regarded' went out the window when they had white supremacists on the editorial board. ] (]) 01:51, 20 July 2024 (UTC)
::::Even the two critical sources stated describe it as 'one of the most respected in its field' and 'a more respected psychology journal'.
::::If any experts in the field of intelligence research have made a case against the journal's reputation, then its reliability could be questioned. As it is we have mixed criticism from two journalists of a well regarded peer-reviewed publication. ] (]) 02:11, 20 July 2024 (UTC)
:::::Nah. We can discard a source without needing to meet your personal standard, which doesn't have any relation to Misplaced Pages's policies so far as I can tell. It is worth mentioning, though, that the ] (noted experts on racism) that spends multiple paragraphs on this specific paper and how it shouldn't be used as a source. A sample quote: {{Tq|Piffer’s credentials, affiliations and the scientific merit of the paper itself are suspect}} - ] (]) 02:54, 20 July 2024 (UTC)
::::::Based on which Wiki policy are you discarding it as a source? It's used several times in articles related to intelligence research.
::::::Not than an advocacy organization's opinion really is of note when it comes to population genetics, I do note that these several SPLC paragraphs go into no more detail than to state that scientific merit of the paper itself are suspect (no reasons for this assessment or counterarguments given, at all), to question the author's credibility and to state that there are no reliable sources to dispute it. Which adds up to nothing in particular from an organisation with absolutely no standing in scientific matters. ] (]) 03:38, 20 July 2024 (UTC)
:::::::If this Piffer article is used several times, please point those usages out specifically because those definitely need to be removed. ] (]) 04:10, 20 July 2024 (UTC)
::::::::As per my original comment and your response to it, I'm referring to the journal ''Intelligence''. Which seems to have somehow achieved the status of a 'pick-and-choose' source.
::::::::The argument against mention of the Piffer paper, whether it's flawed research or not, requires something more than commentary from a civil rights organisation. ] (]) 04:30, 20 July 2024 (UTC)
:::::::::Contrary to what you might imagine, we rely on editor judgement for evaluating source reliability all the time, and Piffer is definitely a fringe source per our guideline. This would be ascertainable even without explicit debunking in a scholarly source. Some pseudo-scholars are too insignificant to draw that kind of attention. That said, that explains in no uncertain terms what is so profoundly unscientific about Piffer's methodology. No matter how you squirm, you will get nowhere with this line of argumentation. ] (]) 06:38, 20 July 2024 (UTC)
::::::::::A preprint is not a fine peer-reviewed anything.
::::::::::Our guideline places Piffer as a fringe source based on his conclusions, or is it his associations?
::::::::::I'm aware that a past RFC prematurely declared the suggestion that genetics plays a role in population group IQ differences to be 'fringe' rather than merely minority. As RFCs aren't binding and consensus can change at any time, hopefully this will be rectified at some point. Though a consensus against it is emerging, the idea hasn't been conclusively refuted and research is ongoing. ] (]) 08:10, 20 July 2024 (UTC)
::::::::::The author of that paper is Kevin Bird. Kevin Bird also said: "The past isn't an indication of how the future behaves...I do science because I find it intellectually engaging, to be completely honest...I do it with not as much interest in attaining or discovering truth." He then said that he is "not interested in discovering truth". It is completely impossible to take a person like that seriously. And that paper's not peer reviewed. ] (]) 05:38, 29 July 2024 (UTC)
::::::::::: has now been published by '']'', the flagship journal of the ]. It is no longer a preprint. As to your gotcha quote about "truth"... ] (]) 05:57, 29 July 2024 (UTC)
::::::::::::Thanks for the updated cite. But an Indiana Jones meme? What am I supposed to take away from that? ] (]) 06:24, 29 July 2024 (UTC)
:::::::::::::That your attempt to smear Bird is thoroughly unconvincing. Also see ]. ] (]) 12:20, 29 July 2024 (UTC)
::::::The SPLC aren't experts on genetics, and they don't cite any scientific publications in their article to critique Piffer. The closest they come is citing a non-peer-reviewed book review of a book Piffer didn't write. ] (]) 05:40, 29 July 2024 (UTC)
::::::The SPLC may be experts on racism, but is there any evidence that they're experts on science? ] (]) 23:21, 25 August 2024 (UTC)
:::::::Correctly identifying racist pseudoscience is part of their expertise, yes. It's not like they're commenting on an article about astronomy. ] (]) 23:43, 25 August 2024 (UTC)
::::::::Pseudoscience is that which does not employ the scientific method. Neither the SPLC nor Bird have made such an extreme claim about the Piffer paper. Bird may have the expertise to critique the methodology employed, but anything of the sort is well beyond the SPLC's realm of expertise. ] (]) 14:42, 9 September 2024 (UTC)
:Please also read ] concerning the journal co-founded by Davide Piffer. ] (]) 23:57, 13 May 2024 (UTC)


== Notification about ] ==
::Thank you. That's very helpful. Now we need to use these sources to present Jencks' theory in a way that's integrated with the rest of the text. It should take no more than a sentence to describe his idea, and it should not require quotations. --] 18:24, 31 August 2006 (UTC)


I posted already on ], but would like more eyes on the discussion to provide more perspectives.
::Ramdrake, you can't put an obviously disputed argument that the IQ differences are cultural rather than genetic in the intro of a section. The part about "innate" versus "developed" is already covered, so all that remains is their claim that the gap is due to environment. --] 19:20, 31 August 2006 (UTC)


Also I tried editing the article, to give it more substance, but this is not my area of expertise. Please feel free to clean it up anyway you want. ] (]) 05:20, 31 July 2024 (UTC)
:::It is my understanding that the point that the IQ differences are genetic in nature is ''also'' disputed. I don't see why they shouldn't both be mentioned.The debate isn't whether there are cultural/environmental/bias issues that come into the gap. I think everybody agrees on at least one of these at least partially accounting for the gap. The issue is whether there are ''also'' genetic issues that account for the gap.--] 19:30, 31 August 2006 (UTC)


== Test scores ==
::::The text says ''Their assertion is that non-cultural environmental factors cause gaps measured by the tests, '''rather than any possible innate difference based on genetics'''''. As phrased, this is an argument that the gap is entirely environmental, which would not be "intro" material. --] 19:49, 31 August 2006 (UTC)


The Test Scores section has a paragraph discussing disparities in academic achievement and math test scores in the UK, but surely those are a less reliable measurement of intelligence than general mental ability (GMA) tests, such as those discussed here?<ref>https://www.tandfonline.com/doi/epdf/10.1080/1359432X.2024.2377780?needAccess=true</ref> Is there any objection to replacing this paragraph with the results from this meta-analysis of GMA tests? ] (]) 04:03, 3 August 2024 (UTC)
:::::1)This isn't the general introduction, this is a section introduction. 2)I still don't see why this position in the debate shouldn't also be mentioned at this point. I think it is most germane, especially for NPOV considerations.--] 20:01, 31 August 2006 (UTC)
:There is no reason to remove the current text or the sources used, but feel free to suggest additional text sourced to for discussion here to reach consensus. How to define ''intelligence'' and what's a less or more reliable way to measure it are controversial. Many believe that ''intelligence'' includes many disparate capacities and that there cannot be a numerical value that measures general intelligence.
:Note that the reliability of your source is very questionable, since all three authors are closely associated with either '']'' (see also ]) or '']''. ] (]) 06:39, 3 August 2024 (UTC)


{{reflist-talk}}
::::::Is it not clear that this section is divided into topical sections? -- 1) intro giving the background of agreement upon which the disagreement rests, 2) arguments for culture-only (w/ a minimal statemnent about disagreement) 3) arguments for partly-genetic (again w/ minimal statement about disagreement) and 4) about divsion of expert opinion. -- The text in question belongs in section 2 rather than 1 if in any. --] 20:10, 31 August 2006 (UTC)


== Anyone around who can check recent edits for Richard Lynn? ==
::::::Moreover, that IQ is "developed" (i.e heritable) rather than "innate" (i.e. genetic) is common knowledge. The argument that between group differences in IQ are therefore not the result of "any possible innate differences based on genetics" is not only a matter of dispute, but an argument you will not find made by the other sophisticated supports of culture-only theories that are widely cited. --] 20:13, 31 August 2006 (UTC)


Thanks. ] ] 13:00, 13 December 2024 (UTC)
::::::An argument you will find made is this: ''Because IQ is strictly a phenotype, as is every observable or measurable human characteristic, it does not, by itself, support any inference concerning the cause of either individual or group differences in IQ.'' (Jensen, 1999) I see no reason to doubt that this is the mainstream view (it is repeated in the general by Mountain & Risch 2004). --] 17:39, 1 September 2006 (UTC)

:There really needs to be a section, ''Environmental explanations'' - it seems conflated with ''Culture only''. --] 21:28, 1 September 2006 (UTC)

::Is this in reference to Blair or Jencks? --] 21:58, 1 September 2006 (UTC)

Jencks point about the BW gap is also made by Jensen (1999): ''Because IQ is strictly a phenotype, as is every observable or measurable human characteristic, it does not, by itself, support any inference concerning the cause of either individual or group differences in IQ.'' Jencks' first conclusion is universally accepted. His second conclusion, as summarized in the article, would be in conflict with Jensen. Can we confirm that Jencks literally means that from IQ data alone we can deduce that the BW gap has no genetic component? Or is the second concluison simply a restatement of the first? --] 22:02, 1 September 2006 (UTC)

=== blair ===

'''Blair: peer commentary makes no mention of theory about BW gap.''' apparently, no one found it notable enough to mention among the many peer commentaries aimed direclty at this paper. paper is too new to be mentioned in other sources. --] 17:33, 31 August 2006 (UTC)

== fryer and levitt ==

there's now a section titled "U.S. Black-White gap closing". this is the appropriate place to describe the debate that fryer and levitt have contributed to. in addition to their paper on babies, they have several papers on K,1,2,3... graders. the implications of these data for the cause of the gap should be weaved in -- as other data is -- rather than appended. notably, different authors have different interpretations. --] 19:08, 31 August 2006 (UTC)
:Their argument against the genetic explanation should be in the correct section.] 01:42, 1 September 2006 (UTC)
::I did in fact restore their argument, leaving the data described in the section above. Nonetheless, their argument needs to be blended with similar ones to document that it's a general rather than unique claim. --] 21:23, 1 September 2006 (UTC)

== Stanley Porteus ==

why a whole paragraph about ]? --] 01:25, 1 September 2006 (UTC)

== JKs edits ==

* ''need quote to make the statement "these studies support the partly-genetic hypothesis", also, if we say "reported to" here, we should say it on every study)''

Don't need a quote. They disagree about many studies, but most prominently the ]. You can see this clearly by reading the reference.

:If we're going to have a statement backed up by a reference with quotes, the statement should be backed up completely by the quotes. Paraphrasing, "People say A, B, and C" with a ref that only quotes them saying A and B, doesn't seem appropriate. Why not just add a quote from the reference to back it up? --] 21:26, 1 September 2006 (UTC)

::I'm not sure what you mean. The divergent interpretation of MTRAS is the most obvious, but there are many cases. For example: "There is in fact no good evidence, contrary to Nisbett (2005; and Suzuki & Aronson, 2005), that g is malleable by nonbiological variables." One side says non-malleable --> genetic; other side says mallelable --> not-genetic. --] 21:38, 1 September 2006 (UTC)

:::If you say non-malleable --> you are saying that ALL biological variables are genetic. I just don't see that it is the case (disease is a non-genetic, biological variable, for one).--] 21:47, 1 September 2006 (UTC)

::::I'm not making this argument but describing it. However, you are missing the logic. If the only known environmental ways to affect IQ are those that directly affect biology, then this is an argument that the BW gap is due to genetic (based on the assumption that these biological-envionrmental sources of variation are not large enough to account for the entire gap). Nonetheless, the point remains that some studies were are argued to support the cultural hypothesis are also argued to support the genetic hypothesis. --] 21:57, 1 September 2006 (UTC)

"reported to" for attribution. i added the same twist to the 'genetics' section below it.

:I see no such language in that section...can you quote what you mean? --] 21:26, 1 September 2006 (UTC)

::"Other evidence... have also been proposed to indicate a genetic contribution to the IQ gaps and explain how these arose". --] 21:38, 1 September 2006 (UTC)

* ''(put proper ref for each section - labeling bias 1 ref, non-cultural environmental factors 2nd ref)'' -- see discussion in section above

* ''move section down one paragraph for general chronological order'' - chronological order works well when discussing a single topic, but (1) that section contains many subtopics and (2) the last section of that pargraph should be the summarizing paragraph
--] 17:13, 1 September 2006 (UTC)

:The last section of the paragraph wasn't summarizing, it was mentioning the other recent study...they seem to go together better. --] 21:26, 1 September 2006 (UTC)

::I'm sorry, the next to last paragraph, which long was the last paragraph, was a summary paragraph. Note that this is in a sub-section of a ] section. This is why I've added the Summary Style tag to the section. It is massively too big, and needs to make much stronger use of summary writing. Appending singular, unreplicated studies/theories to the end of the section is not good encyclopedia writing. New material should be integrated into the existing text, and weighted for notability and relevance. --] 21:38, 1 September 2006 (UTC)
:::But you can't make it shorter and NPOV by arbitrarily removing material. What materials need to be removed need to be discussed first, and consensus arrived at.--] 21:47, 1 September 2006 (UTC)
::::Can you point to material that I removed that was important to making the point? Perhaps you should compare the concision used to describe the hereditarian argument to that used to describe the cultural arguments. --] 21:54, 1 September 2006 (UTC)

== environment = culture ==

from the POV of quantitative genetics, environment and culture are indistinguishable. i'm not sure that there is precident for dividing the two. the term "environment" can be taken as more general than culture, and used in its place. --] 21:42, 1 September 2006 (UTC)
:From a number of other POVs, they are quite distinguishable (I would say the POV of psychologists, sociologists, ethnologues, etc.)--] 21:49, 1 September 2006 (UTC)
::I understand that the words have different meanings, but WRT the question of what causes the BW gap, it has been customary to divide the hypotheses into two camps, based in part of the mathematical constructs used in quantative genetics. There is excellent documentation for the two camp split. Can you provide documentation for a three camp split? --] 21:53, 1 September 2006 (UTC)

:::I'm sorry, but the use of "culture-only" seems to be a Jensen/] grantee affectation (he parenthentically calls it, 0% genetic-100% environmental). --] 22:06, 1 September 2006 (UTC)

::::Reynolds (2000): ''Few, if any, who have studied the issues and the science involved take seriously either proposition that race differences in performance on mental tests are all due to environmental influences or to genetic influences. Rather, the Environmental × Genetic Influence interaction model is the dominant model among those who reject the argument that differences are artifacts of test bias. Even so, the relative contribution of environment and of genetics is hotly debated between the two most extreme positions of 80% environmental/20% genetic and 20% environmental/80% genetic. I will not engage this debate here beyond noting that my own position is that race differences in mental tests scores are related to the interactionist approach and are a result of an ongoing process of reciprocal determinism over the course of the life span.'' --- Describes 2 positions, and does not distinguish culture from environment. You will find many similar treatments, including Snyderman and Rothman (1987). --] 22:10, 1 September 2006 (UTC)

:::Rikurzhen, they don't even use the word "culture". seems to use the terminology "environmentalist" and "hereditarian". It also seems that the idea of "culture-only" (0% genetic, as proposed by Jensen), is really a straw man - environmentalists don't seem to be denying any genetic component, they're only arguing as to its magnitude. There may well be a split between primary hereditarians, who believe it is at least 50% genetic, and primary environmentalists, who believe it is no more than 5% genetic. --] 22:11, 1 September 2006 (UTC)

::::I only object to the creation of a division between culture and environment. The tweaking of wording for maximal NPOV is always helpful. You'll note that we describe Reyonld's conclusions in the expert opinion section. --] 22:14, 1 September 2006 (UTC)

:::::I object to the conflation of "culture" and "environment", although since the sources we're using do the conflation, it isn't like I can fix their references :). Since even Jensen, et.al., use "environmental" parenthentically when they use a loaded term like "culture-only", it seems more proper to have the section labeled "environmental explanations"...furthermore, if we want two sides to it, we shouldn't use the weakest straw man of 0% genetic on the environmentalist side - the idea of 80/20, 20/80 seems a bit more reasonable to me. --] 22:21, 1 September 2006 (UTC)

I am not sure what the purpose would be of distinguishing between culture and environment because wherever IQ tests are given, biotic and abiotic environmental features (e.g. nutrition, exposure to contaminants, incidence of infectous disease) are largely functions of the culture. ] | ] 22:29, 1 September 2006 (UTC)

:How is where you live a function of culture? How is contamination from a plant up-river a function of culture? Although diet and risk activity may be a function of culture (which you could I suppose, call voluntary environmental factors), there are certainly innumerable environmental factors completely unrelated to culture - no matter if you listen to classical music, or hip-hop, if you live in a smoggy area, the environment does not distinguish between your lungs based on culture. --] 22:33, 1 September 2006 (UTC)
Some cultures are egalitarian, others are stratified. Some are industrial, some are not. Just these two dimensions allow us to plot out a range of cultural variation, and some of these cultures will divide its members into people who suffer from obesity, people who are malnourished, and people who have poersonal trainers. Some of these cultures will divide their people into those who live next to toxic waste sites and others who live surrounded by trees far from any heavy industry. Of course these things are cultural! ] | ] 22:41, 1 September 2006 (UTC)

::Are hurricanes cultural, by your definition? Lightning strikes? Earthquakes? I think that culture can be seen as a subset of environmental factors, but it does not encompass them all. I think you may be confusing correlation with causation, as well - the environmentalist POV asserts that environmental factors are causal to the differences we observe, I don't think you can make the same case for culture. --] 23:09, 1 September 2006 (UTC)
:::Of course not. But whether some people live in trailers in flood zones versus houses on high land with cellars is cultural. As to correlation and causation, I never mentioned either. I would agree that poor nutrition is likely to be a strong cause of lower IQ, but my point is that many cases of malnutrition are the result of cultural systems. Moreover, I see no reason why other cultural dynamics MAY cause lower IQ. Certainly, the reason so many recent immigrants scored low on IQ tests administered around WWI had to do with culture. Now, you can argue that a better IQ test can compensate for the cultural factors and you may very well be right. That doesn´t remove culture as a part of the equation though. ] | ] 23:51, 1 September 2006 (UTC)

By the way, I am not wentirely sure what you mean by "voluntary environmental features" but culture is largely involuntary. ] | ] 22:43, 1 September 2006 (UTC)

::I beg to differ - changing your culture seems much easier than changing all the other environmental factors that can affect you. --] 23:09, 1 September 2006 (UTC)
I guess we just differ. I see US. embassy or oil company personnel in Ecuador and they shop at US outlets and eat at TGIFridays or Pizza Hut - it seems that they cannot travel to another culture without dragging around a bubble of their own culture with them. I know Peace Corps Volunteers who do everything they can to change their culture; they do so in good faith ind indeed change a lot - but still depend on the music they carry with them from their old environment, books published in the US, and talk (often articulately) about culture shock. And I have read travelogue from people who have lived for years in a non-natal culture and they mostly reflect on their feelings of alienation. I wouldn´t limit this to Americans. Graham Greene´s novels capture this quite well. In short, I have seen practically no evidence that it is easy to change one´s culture. It is easy to leave New York City to live in the Amazon, or to leave Santa Fe to live in Norway, in short, easy to change physical environments. But culture? Very very hard. I guess we just disagree. ] | ] 23:41, 1 September 2006 (UTC)

:I don't care whether you call it cultural or environmental explanations. There are reasons to prefer one to the other, but neither appears prima facie preferred. All I object to is the notion that we can ourselves pick out certain explanations as being about "environment" and others as being about "culture" per ]. The term "environnment" means everything not genetic in the language of quantitative genetics, which is why it comes up all the time when "culture" might seem like a more nature word to use. --] 22:46, 1 September 2006 (UTC)

::I think perhaps my issue is that "culture" is not a more natural word to use - it comes with specific connotations, and it seems to have been used by folk like Jensen, et. al., to specifically denigrate the environmentalist position. --] 23:09, 1 September 2006 (UTC)

:::I don't see "culture" as a term of abuse, but I could be persuaded. --] 23:14, 1 September 2006 (UTC)
I think it is only a term of abuse to those who wish to abuse it. The same can be said for "genetic."] | ] 23:41, 1 September 2006 (UTC)

== converging data?==
Stripped from article for discussion:

To support these claims, they most often cite four main lines of converging data:

# Worldwide Black–White–East Asian differences in IQ, reaction time, and brain size. In the United States, Black-White IQ differences are observable at every age above 3 years, within every occupation or socioeconomic level, in every region of the country, and at every time since the invention of ability tests.<ref>{{AYref|Jensen|1998b}}</ref>
# The magnitude of race differences on different IQ subtests correlates with the extent to which those subtests measures ''g'',<ref>For example, see {{AYref|Rushton and Jensen|2003}}; see also ]</ref> which also correlates with measures of the subtests heritability<ref>for example, ] scores measured in Japan predict the magnitude of the Black-White gap in the United States. ({{AYref|Rushton|1989a}})</ref>
# The rising ] with age (within all races; on average in the developed world heritability starts at 20% in infants, rises to 40% in middle childhood, and peaks at 80% in adulthood); and the virtual disappearance (~0.0) by adulthood of shared environmental effects on IQ (for example, family income, education, and home environment), making adopted siblings no more similar in IQ than strangers<ref>{{AYref|Plomin et al.|2001}}</ref>
# US comparisons of both parents to children and siblings to each other finds ] to differing means for different races (85 for Blacks and 100 for Whites) across the entire range of IQs,<ref>for example, the children of wealthy, high IQ Black parents score lower than the children of poor, low IQ White parents ({{AYref|Jensen|1998b}}, p. 358); and for Black and White children with an IQ of 120, the siblings of the Black children average an IQ of 100 whereas the siblings of the White children average an IQ of 110; in comparison, for Black and White children with an IQ of 70, the siblings of the Black children average an IQ of 78 whereas the siblings of the White children average an IQ of 85 ({{AYref|Jensen|1973}}, pp. 107–119))</ref> despite the fact that siblings are matched for shared environment and genetic heritage, with regression unaffected by family socioeconomic status and generation examined<ref>http://www.lrainc.com/swtaboo/taboos/cmurraybga0799.pdf</ref>

----
First of all, what is "converging data" mean? They certainly aren't converging on anything - these data sets seem to be on completely different axes (heritability of IQ vs. age is one line of data, but how can it possibly relate to east asian brain sizes??)

Secondly, all of these "main lines" are presented as fact, rather than the conclusions of the studies from which they came. I'd like to put some of this back in, but it seems like it needs a lot of work. --] 22:02, 1 September 2006 (UTC)

That the data is converging and that the data supports their hypothesis is the claim of R&J. These results themselves also happen to be, afaik, not contested. (We can double check this against the response articles.) What is obviously contested is their implication for the cause of the BW gap. --] 22:04, 1 September 2006 (UTC)

:I'm sorry, but when I see something like, "observable at every age above 3 years, within every occupation or socioeconomic level, in every region of the country, and at every time since the invention of ability tests", I am dumbfounded. They couldn't possibly have tested every single age, every single occupation, every single socioeconomic level, every single region, and accounted for every single test every administered since the invention of "ability tests". This is pure hyperbole, and glosses over so many details, it's disturbing. Saying that a certain set of data indicates one thing - asserting that a difference is observable all the time in every situation implies that these results are arbitrarily repeatable, which I'm sure you would agree they are not. --] 22:17, 1 September 2006 (UTC)

::It's paraphrased directly from Jensen. What it means is that each of these variables has been tested independently (at least), not all at once. --]

:::Then it should be stated that this is Jensen's assertion, not bald fact. It would be better to list out that these factors have been considered, rather than to use the exaggeration, "every" - studies "controlled for region, occupation, socioeconomic level" may be appropriate, but a exaggerated paraphrase stating flatly that ''every'' case (even if only individually), is true is definitely POV pushing. --] 23:15, 1 September 2006 (UTC)

::::Jensen is doing the reviewing, not the studying. His published conclusion (now 8 years old) can be taken as non-disputed by default unless someone has actually disputed it. I don't see a problem with the wording; but I could be blind to how it is read. --] 23:18, 1 September 2006 (UTC)

:::::This rolls into the case you mentioned earlier regarding "reported to"...this case is much farther along, IMHO, but the same issues apply - his conclusions should be indicated as his conclusions, not as fact, regardless if they have been specifically disputed (which, I'm sure we could find a reference for, in such a contentious field). --] 23:27, 1 September 2006 (UTC)

::::::You're missing where the controversy actually lies. I've opened this question as a new thread below. --] 23:39, 1 September 2006 (UTC)


New problem: you have no basis besides your own opinion to describe/treat Jensen's report as "hyperbole". we cannot substitute our own opinions for those of published experts. --] 23:42, 1 September 2006 (UTC)

:Whether or not we believe it is hyperbole, we have to present it as his opinion, not as unadulterated fact. And of course, see below for examples of the arguments over interpretation. --] 00:36, 2 September 2006 (UTC)

::The data is not hyperbole. I know of no claim that it is. The implication of the data for the BW gap is obviously controversial. --] 01:13, 2 September 2006 (UTC)

:::Interpreting the data in such a way to assert that everything points inextricably towards a single conclusion (that a worldwide BW gap exists, no matter what age, region, etc, etc) is hyperbole. I guess I'm asserting that the interpretation of the data is being presented, not the data itself. Because of that, it comes across like hyperbole. If the data itself were presented (i.e., differences in cranial sizes map to climactic zones moreso than "race", or some studies indicate larger cranial sizes for whites, and others contradict that), it wouldn't be nearly as controversial. Telling the audience what the data means (i.e., there exists a worldwide B-W gap in brain size, IQ, etc), rather than just giving them the data (5 studies found blacks with bigger brains, 2 studies found blacks with smaller brains, etc), is where I have a problem with the original presentation. --] 04:07, 2 September 2006 (UTC)

::::Review articles give conclusions where they can (see below). This is one of the cases where we can. (Note I found one of the 4 to be mostly Jensen's work, so I changed the article to reflect this.) --] 04:13, 2 September 2006 (UTC)

== doubt about B-W-EA diiffrences ==

does anyone doubt the existence of B-W-EA differences in IQ, brain size and reaction time -- enough to not treat it as the mainstream scientific consensus? For example, I do not see this claim in the response to R&J's PPPL article. --] 23:39, 1 September 2006 (UTC)

:found this quote on an otherwise disturbingly POV article on crainometry: "Rushton has been accused by other researchers of misrepresenting the data. When they have reanalyzed the data, Zack Cernovsky et al. argue that many of Rushton's claims are incorrect." --] 23:41, 1 September 2006 (UTC)

::Here's the link , '''Although Rushton (1988, 1990a, 1991) implied that Blacks are consistently found to have smaller brains than Whites, some of the studies listed in his reviews actually show opposite trends: North American Blacks were superior to American Whites in brain weight (see Tobias, 1970, p. 6:1355 g vs. 1301 g) or were found to have cranial capacities favorably comparable to the average for various samples of Caucasians (see Herskovits, 1930) and number of excess neurons larger than many groups of Caucasoids, for example, the English and the French (see Tobias, 1970, p. 9).''' --] 23:43, 1 September 2006 (UTC)

:::The APA report (in the form of Neisser 1997) says there is a small but significant difference. --] 23:46, 1 September 2006 (UTC)
:::Moreover, the claim that there isn't a B-W-EA diff in cranial capacity would be news to physical anthropologists (e.g. Beals 1984). --] 23:49, 1 September 2006 (UTC)

:::From the same ref: '''Rushton implied that Beals et al. presented large-scale evidence for racial inferiority of the Blacks with respect to cranial size. De facto, extensive statistical analyses by Beals et al. showed that cranial size varies primarily with climatic zones (e.g., distance from the equator), not race. According to Beals et al., the correlations of brain size to race are spurious: smaller crania are found in warmer climates, irrespective of race.''' Sounds like enough contention to derail it as being considered "mainstream" or "consensus". --] 00:17, 2 September 2006 (UTC)

:::::That the major cause of cranial size diffs is climate (via evolution) does not mean that it doesn't also vary by race. (But see also for the most recent extension of this line of thinking.) As with the other comments, this does not chanllenge the basic claim that cranial size varies between races. The important finding WRT what we write in the article is the APA report. --] 01:18, 2 September 2006 (UTC)

::::I think I agreew with JereKrischel. Physical anthropologists have documented variation in cranial capacity but the claim that cranial capacity correlates with differences in IQ is highly controversial. Ralph Holloway is the person to go to on this topic. He has forwarded robust arguments that even in hominid evolution reorganization of crania was more important than changes in cranial capacity to the development of human intelligence (manifested in tool making and perhaps more complex social arrangements).] | ] 00:31, 2 September 2006 (UTC)

:::::I am 100% certain that the claim that brain size correlates with IQ among Whites is not at all controversial (r=.4 controlling for age, sex). You can read about this in various review articles written ca. 2000-2005 (see ] and ). At this point, the open research questions are which specific regions/structures of the brain are responsible for the correlation. It is, of course, controversial to claim that the BWEA diffs in brain size are evidence that the BWEA gaps are genetic. --] 01:12, 2 September 2006 (UTC)
:Well, perhaps the issue is whehter this is a meaningful correlation. I suggest thaqt thee are physical anthropologists who do not consider this a meaningful correlation. Variation in cranial size may reflect drift or may be adaptive to certain environmental factors. That is also correlates positively with IQ is far from saying that the correlation meanisn anything useful to understanding this debate ] | ] 02:55, 2 September 2006 (UTC)
::The meaning of the brain size IQ correlation for the BWEA gap (in brain size and IQ) is certainly controversial. The existence of the correlation and gaps is not. We should be able to maintain this distinction, which I think we have so far. --] 04:28, 2 September 2006 (UTC)

== A message from your friendly archivist ==

I hate to archive recent discussion, but the talk page was close to 400 kb and took forever to access! I acknowledge that this may be the most controversial article and therefore it must be very sophisticated, and I acknowledge that to accomplish this the discussion will often have to be complex and lengthy. Much of this simply cannot be avoided. But with all due respect may I make a few suggestions that may lead to less of a need for frequent archiving?
# when someone is obviously using this just to spout their own POV (and I am NOT pointing any fingers) do not engage, politely ask them to take it to their talk page
# if someone seems not to understand your point, give it a day and see if with a fresh mind you can explain it more clearly, rather than (as most writers do) use the act of writing to sort out your thoughts
# if two people seem to be going in circles, try to sort out and summarize as concisely as possible the remaining principal points of contention and then immediately archive the preceeding talk
# if someone believes they are repeating points they have made several times, even a long time ago, ask yourself whether the issue is adequately addressed in the article itself. If it isn´t, figure out how to do so. If it is, refer the interlocutor to the appropriate section in the article itself rather than rehash the arguments again on the talk page.
# PLEASE PLEASE will one of you consider doing some more archiving before September 3? Go over this page and ask, what is really still unresolved (in terms of complying with our main policies, not in terms of resolving the fundamental debate, of course)?
I make these suggestions with a tremendous amount of respect for the principal contributors to this article. I hope that is evident, and I sincerely hope this is constructive. ] | ] 00:52, 2 September 2006 (UTC)

:Your suggestions are welcome, appreciated, and I hope to do well in following them. I know a lot of the dialog ends up seeming like repetition, and very frustrating, but sometimes it's that one phrase a couple of dozen exchanges into it that makes things click, so you really understand what the other person was intending. I've had quite a few of those moments on this page myself, where I finally understood what the core issue was after a very long dialog. Rikurzhen and Nectar and Arbor have all been very patient, understanding, and supportive of improving the article no matter how heated the discussion has gotten, and I do sincerely look forward to continuing our work together. --] 01:01, 2 September 2006 (UTC)

:I'm sorry about my contribution to the talk page glut. --] 01:12, 2 September 2006 (UTC)



== some background for recent disputes ==

this text is from a review in ''Nature Reviews Neuroscience'' in 2004:

----

it is mildly impolite to dwell on an obvious fact — individual differences are the rule, not the exception.

It is distinctly impolite to suggest that individual differences in ability have a biological basis3,10. The root fear is that evidence about the brain might be misconstrued as evidence about an individual’s or group’s inherent quality or fitness, in the sense of an immutable social and moral value4,7. Gould concluded10 that there is no reliable evidence for “intelligence as a unitary, rankable, genetically based, and minimally alterable thing in the head”, and even less evidence that intelligence is associated with demographic variables, such as race or social class. For better or worse, however, recent progress in the psychometric, social psychological, cognitive neuroscientific and genetic study of human abilities has been dramatic.

In this review,we emphasize intelligence in the sense of reasoning and novel problem-solving ability (BOX 1). Also called FLUID INTELLIGENCE (Gf)11, it is related to analytical intelligence12. '''Intelligence in this sense is not at all controversial''', and is best understood at multiple levels of analysis (FIG. 1). Empirically,Gf is the best predictor of performance on diverse tasks, so much so that Gf and general intelligence (g, or general cognitive ability) might not be psychometrically distinct13,14.Conceptions of intelligence(s) and methods to measure them continue to evolve, but '''there is agreement on many key points; for example, that inte lligence is not fixed, and that test bias does not explain group differences in test scores15. Intelligence research is more advanced and less controversial than is widely realized15–17, and permits some definitive conclusions about the biological bases of intelligence to be drawn.'''

MRI-based studies estimate a moderate '''correlation between brain size and intelligence of 0.40 to 0.51 '''(REF. 28; see REF. 29 on interpreting this correlation, and REF. 30 for a meta-analysis)

They showed that the linkage between volume of grey matter and g is mediated by a common set of genes. '''Intelligence therefore depends, to some extent, on structural differences in the brain that are under genetic control''', indicating a partly neuroanatomical (structural) explanation for the high heritability of intelligence

The fact that intelligence is heritable does not necessarily have implications for the basis of population-group differences. Group differences can potentially be explained in purely environmental terms, even if intelligence is strongly heritable.

The heritability of intelligence also increases with age — as we grow older, our phenotype reflects our genotype more closely.

Intriguingly, '''the influence of shared family environments on IQ dissipates once children leave home — between adult adoptive relatives, there is a correlation
of IQ of –0.01''' (REF. 101).

----

we should be able to agree to treat this material as they do --] 02:47, 2 September 2006 (UTC)

:If you mean in regards to the quote, ''The fact that intelligence is heritable does not necessarily have implications for the basis of population-group differences. Group differences can potentially be explained in purely environmental terms, even if intelligence is strongly heritable.'', I heartily agree. The problem comes when you assert that the research shows a B-W-EA pattern -> as mentioned in other quotes, there are arguments that it has better correlation with latitude than anything else. You can assert that groups differ on brain size, and that brain size may correlate to intelligence even (although as pointed out, there is controversey even on that point), but to assert that the differences are measured across a specific pattern is where the interpretation of the data comes into question. I don't think anyone is trying to say that there is a 0% genetic influence on intelligence - but there is significant disagreement as to the statistics being interpreted in such a way to indicate that there is a genetic influence on intelligence caused by specific racial categories, as well as the magnitude of such an influence. Let's say they did a double-blind random study, and found that in fact .0001pt of difference between races could be found, and they even found the particular gene that created that difference. Has the pro-hereditarian camp won? Well, arguably so, since regardless of how minute, they've proven a difference based on "race". Has the environmentalist camp won? Well, arguably so, since regardless of the difference, they've shown only a minute one.

:I guess the controversy may be because each side is taking the weakest straw man of the other to bash. Jensen et.al. want to criticize environmentalists as being 0% genetic-100% environment. Environmentalists consider the point won every time they shrink the gap, by whatever means of control or explanation, and consider every bit of progress they make as an essential refutation of the hereditarian view, when in fact no hereditarian is asserting that it is 100% genetic-0% environment. Our difficulty then, is presenting the quotes from these two camps, who are at cross-purposes and inherently disparaging of the merits of the other side.

:On a side note, I wonder what would happen if they did the "perfect" study, and found the racial differences as both real and significant, but in a completely different order (say, W-EA-B). I guess in the end we should all just hope for enough interbreeding to make any "racial" distinction moot, and then we can argue about which side bread should be buttered on :). --] 03:58, 2 September 2006 (UTC)

::JK, all that matters about brain size is that Neisser agrees that there are differences. That it is correlated with climate is a wholly different level of controversy, not of importance to this discussion. That IQ is correlated with brain size is, as per the text from the review above, non controversial. Likewise, there is no disagreement about the heritability of IQ among the common conditions encountered in the developed world. For more extreme conditions, the expectation is reduced heritbility, which has been borne out in limited testing. You cannot chose to dillute noncontroversial findings on the basis of tangentially related disagreementets. You can elaborate on them, but doing so in the context of the genetics explanation section would be inappropriate for reasons we could go into. They are elaborated on in the main article being summarized. I highly recommend reading the review article, which is linked in the brain size discussion. --] 04:21, 2 September 2006 (UTC)

:::It isn't controversial to assert that there are brain size differences between population groups, but to assert they map to race does seem controversial. Therein lies the problem - you can take a few trivial assertions (brain size varies between some populations, iq correlates to brain size, iq is heritable), and come to an unsupported interpretation based on a unspoken assumption (iq is related to race since the population differences are mapped to race). Now, I can't stop Jensen from making unacceptable assumptions about the data we might agree on, but we certainly can't treat his peculiar interpretation as unadulterated fact. There is no basis to assert as fact a worldwide BW difference for every age, region, socioeconomic status, occupation, etc - one may come to that conclusion from looking at and interpreting the data, but it is not an undisputed conclusion. Perhaps if we put in something to the effect of, "if you assume that these studies actually map to race, and exclude studies that contradict each other, the data show...etc...etc..etc...", since the primary criticism it seems is one of falsely asserting difference by ignoring unfavorable result sets and improperly mapping brain size studies to race instead of climate zone. I guess I'm looking for a way to make sure that on such a disputed issue, both sides are presented as opinion in a sympathetic light. --] 06:22, 2 September 2006 (UTC)

::::(1) ''to assert they map to race does seem controversial.'' - maybe incindiary, but not controversial (remember we work with the assumption that race is meaningful enough for people to talk about and use in research; anything that varies geographically is going to vary by race); (2) ''worldwide BW difference for every age, region, socioeconomic status, occupation, etc '' -- actually, it's only been studied as such in the U.S., but my reading of the lit. is that there is no mainstream debate about this, and I see none in the responses to Jensen's claiming it is so; (3) ''improperly mapping brain size studies to race instead of climate zone.'' -- sounds like you are going beyond what has been written about this, focus on the secondary source of Neisser (aka the APA report); (4) ''on such a disputed issue, both sides are presented as opinion in a sympathetic light'' -- the proponents of the environmentalist position, such as Flynn, do not buttress their position by denying facts which are maninstream and otherwise undisputed. you should not try to do it for them. what's important to keep in mind is that the facts are largely undisputed, only the interpretation of how they matter for the BWEA gap differ. this should be easy enough to accomodate in the text, if it is not already doing so sufficiently. (5) the Nature Reviews Neuroscience 2004 review (in conjunction with the APA and WSJ reports) establish most of the claims which you are otherwise claiming to be controversial (e.g., that brain size does differ by race). the remaining ones you are claiming to be controverisal w/o references to support that claim. --] 06:48, 2 September 2006 (UTC)

== brain size wrt latitude ==

:::::Here's just a few studies that show that brain size maps to latitude: ,. The pseudo-mapping to races is incidental (as races have also a partial mapping to latitude). Unfortunately, you can't use the partial mapping of race to latitude to conclude that brain size varies according to race and make your argument from there. It's like having a study saying that fast cars are more dangerous because of the speed, and then saying that since a large proportion of fast cars are red, red cars are more dangerous to drive. It just doesn't stand up, logically speaking. You just have to take the (few) IQ results of Arctic peoples and see how their skull size maps against their IQ to know that the racial correlation of brain size is just incidental and partial.--] 13:38, 2 September 2006 (UTC)

::::::Ramdrake, it's not my argument. The definitive citation is the APA report in the form of Neisser 1997. You or JK brought up the claim that it is '''due to''' latitude and thus we can ignore "race" differences. (My '''counter claim''' was that the cause of the difference was certainly a matter of dispute but that the fact of race differences was not in dispute.) The formulation that "race" differences can be ignored b/c they are actually "latitude" differences is not found in Neisser 1997 and would require a secondary source to make this claim explicitly. Otherwise, what we have to go on is an adversarial source (Neisser) confirming what all the other sources would indicate is true -- that there are significant (but "small") differences in brain size between Blacks, Whites, and East Asians. On a secondary note, the idea that brain size differences are due to adapation to climate is exactly the theory that Lynn and Rushton embrace, where they differ is to also link that with the evolution of IQ differences (a theory which I am wholly agnostic about). You will note that this causal level of explanation is not the one that we are describing in the text, and so to claim it as a source of controversy is missing the point. --] 17:54, 2 September 2006 (UTC)
:::::Ramdrake, you are not making sense. Race is correlated to brain size. That's a fact. The ''reason'' for this correlation may very well be latitude, and the correlation between latitude and brain size may easily be larger than the correlation between race and brain size. (Rushton, whom you otherwise don't seem to defend, has whole theory about that.) But that does not change the existence of a correlation—it fact, it ''explains'' the point. All the evidence you are bringing to the table is ''in favour'' of there being a known, factual correlation between race and brain size. I have the feeling this is right at the heart of the fundamental misunderstanding you have about the gist of this whole research. ''Of course'' race is just a label that happens to be concordant with a lot of other, factors that actually ''determine'' intelligence. Race does not determine intelligence, but it is highly correlated to several factors that actually ''do''—genes could be such a thing. All of this does not change the fact that in the US, social scientists and politicians stratify things ''by race'' (rather than ''by IQ'' or ''by gene XYZ''), so the correlation ''by race'' is obviously interesting. ] 18:35, 2 September 2006 (UTC)
:::::::Arbor's comment should be re-read. It is concise and on point. --] 03:26, 3 September 2006 (UTC)
::::::Rikurzhen and Arbor, maybe I wasn't clear the first time around. That brain size (or actually skull size) is latitude-dependant is enough of a claim AFAIK to sustain that the brain size-race correlation is actually an artefact of what really goes on. The problem is we first say that brain size is "correlated with" race, and then we conflate correlation with causation. There exists a gross correlation between race and and brain size, but brain size is '''NOT''' a function of race. If you read the article, you will see that the relationship of breain size to race is treated as some kind of direct function. My point is that it is not a function of race, but of latitude. There is ample evidence that it is a function of latitude and climate (see the articles by Beals for more detail). That racial distribution partly correlates with latitude and climate is happenstance. It's like in my example to say that red cars are dangerous to drive because it happens that a large proportion of sports cars happen to be red. You '''will''' find a correlation, but it is '''meaningless'''. You can certainly say that several researchers think there is a race-brain size correlation, but I don't think you can say it is mainstream and/or unchallenged.--] 19:16, 2 September 2006 (UTC)
::::::If you want a reference directly disputing the race-brain size hypothesis of people like Rushton, here is the reference to the full-text article. So, now that we've established that this is contested, I think we can throw away the notion that this correlation is "mainstream", which doesn't mean we can't present it as a particular POV opinion (just like its contestation should be introduced as another POV opinion). Under the circusmtances, neither should be presented as "fact".--] 19:35, 2 September 2006 (UTC)

:::::::Ramdrake, again, (2) the causal hypotheses for why race differences in brain size exist is a entirely separate matter from (1) the existence of race differences in brain size. What you may not be aware of is that brain size is not unique in that it varies by race / geography. The phenomena of a trait or allele varying in a geographic gradient is called a "cline". Skin color variation in humans is clinal, and correlates highly with latitude. Nonetheless, there are also obvious skin color differences between "races". The fact that skin color differences can be explained as a function of latitude does not mean that they cannot also be described as differing by race. (In fact - of course - skin color is predominantly described as varying by race whereas it would be equally valid to describe it varying by latitude of ancestry.) The existence of "clines" is well understood to be at the heart of the complication with and reason to be skeptical of racial classification. Nonetheless, racial classifications are the heart of this subject, and so it is not valid to criticize any particular instance of racial classifications merely on the basis that the variation could also be described as clinal. Such a criticism is a matter of background, which could be expanded upon in the appropraite section. But we need to make necessary assumptions. '''In summary:''' brain size varying by latitude is just a special case of the general pattern of clinal variation in human biogeography. It is a competing/complementary way of describing variation to "race". But that debate exists at a different level than what's being described in this article. '''Deeper connection:''' The immigrant residents of the U.S. come from geographically distinct regions of the globe, generally at extremes (NW Europe, E Asian, W Africa). A trait that appears as a cline in the old world will appear as racial in the U.S. Likewise, the existence of global clines does not also mean that there aren't "clusters". --] 19:57, 2 September 2006 (UTC)
::::::::So, are you in fact saying that affirming that '''brain size varies according to race''' is the same as saying that '''brain size varies according to latitude and climate'''?--] 21:56, 2 September 2006 (UTC)
:::::::::Those claims are of course not identical, but glossing over all subtly of definitions and data, the shortest answer is "yes". However, "climate" is an explanation, not a data point. A race is a cluster identified by many traits whereas a cline is a geographic pattern in just one trait, etc... --] 23:59, 2 September 2006 (UTC)
::::::::::Then, how can you explain that while Rushton finds a correlation coefficient of 0.2-0.3 between races and brain size, Beals et al find a correlation coefficient of 0.5-0.6 between latitude and brain size? The one explanation that comes to mind is that the "real" correlation is with latitude, and the lower, weaker correlation with race is incidental.--] 00:24, 3 September 2006 (UTC)
:::::::::::Arbor anticipated this possibility and pointed out the distinction between the level of ''description'' and the level of ''explanation''. ''Description'' (i.e., that races differ in brain size and brain size also correlates with latitude) is facile. ''Explanation'' (e.g., brain size is an evolutionary adaptation to climate) is difficult. At the level of description, one is not more "real" than the other. The correlation between African ancestry and skin color is around .5, but I'm sure the correlation with latitude is higher. Nonetheless, no one takes this to mean that races don't differ in skin color. --] 00:29, 3 September 2006 (UTC)

::::::::::::Races don't differ in skin color - there are people of different "races" with the same skin color in many instances. I think Ramdrake rightfully points out that there is no consensus on race differences in brain size, even though it is a statistical argument. Individual cars differ in paint color, but can we say that there is a Toyota-Ford-Chrysler hierarchy of color? Even if we were to find some weak bias one way or another (let's say Toyota produces 10% more white cars than Ford which produces 5% more white cars than Chrysler), would it then be appropriate to say there is an undisputed "white color" gap between Toyota-Ford-Chrysler? --] 01:33, 3 September 2006 (UTC)

:::::::::::::When one says "race differces in ''x''" what is implied is "differences in the average value of ''x'' among people of different races". This should be obvious to all of us, no? Your analogy to cars makes no sense. Color can be quantified as wavelength, but the distribution of colors between Toyotas and Fords is likely to be completely overlapping when you consider all model years. Such an analogy doesn't help. I hope Ramdrake was close to understanding the difference between an observation (e.g. race differences in ''average'' brain size) and an explanation (e.g. adapation to regional climate). Observations (i.e. data) are the raw material of science, upon which competing hypotheses can be created and tested. Whether you consider brain size differences in ''terms of'' race or latitude will depend on which kind of question you want to ask. If the question is about "race and intelligence", then it makes perfect sense that you would consider brain size in terms of race also. That brain sizes are tightly correlated with latitude is of no consequence to the truth of the matter that they also differ by race. (It does of course matter to building an explanation for brain size differences, though probably not as Ramdrake first thought given the tight relationship between clines and races.) --] 02:16, 3 September 2006 (UTC)

::::::::::::::AFAIK, the brain size-race correlation is an ''observational artefact'', i.e. while there may be a correlation, it is without significance, as the genuine parameter upon which the variation is based is latitude (and a few other climate-related variables), but that's just my opinion. I'll settle for mentioning that the group variation in brain size is ascribed by some to be related to race, and by others to be related to latitude. I just think it would be misleading to present the brain size-race correlation as incontrovertible fact or mainstream opinion, as it is obviously contested.--] 13:11, 3 September 2006 (UTC)
::::::::::::::The car color analogy works even if you want to take all the car colors of every car they produce, and create an average color - you can then assert a Toyota-Ford-Chrysler hierarchy based on their average color wavelength. If we did such a study, and found a spread of 400Hz, would the Toyota-Ford-Chrysler hierarchy be an undisputed fact? Now, take it a step further and say we did a study based on car sales by latitude, and found an average color when looked at by latitude had an even more pronounced spread, let's say 40,000Hz, would the car color latitude hierarchy be an undisputed fact? Arguably, both are "factual", but I think that maybe we're losing critical context if we don't indicate the more correlated measure, and the relative correlations (is it by an order of magnitude, or just within a reasonable margin of error?). So I propose that if we are to present the information regarding brain size differences as "fact", we need to closely, and prominently mention the "fact" of the higher correlation with latitude - to do otherwise seems to lose important context. Would that be acceptable to you, Rikurzhen? Can we, in the same sentence as a B-W-EA brain size hierarchy is mentioned, note that although factual, it does not represent the most highly correlated view of the data? --] 03:57, 3 September 2006 (UTC)

Ignoring the car analogy... The latitude view is not obviously privledged because of its ''greater strength of correlation''. Rather, the cline versus race way of describing the pattern is a specific example of the more general debate about whehter human biodiversity has racial (i.e. clustered) or clinal properties. That debate is beyond the scope of this article; a necessary assumption is that human variation can be described in terms of race. (Note that race is not being ''discovered'' in the pattern of brain size differences, but rather race is taken a priori and then compared on brain size.) To simply add to the brain size/reaction time/achievement section that global brain size variation is correlated with latitude would be obviously fine. To also expand that observation into an argument that the clinal way of describing the variation is meaningful and the race-wise way is not meaningful would be to engage in the "is race real?" debate, and would not appropriate. Claims that the "correlation is greater" would need to be suspect to greater scrutiny, as the word "]" does not mean just one thing, especially in the context of using continuous verus nominal variables. (That is, race is not a number, unlike latitude. However, Jensen 1998 reports that the correlation between average brain size and average IQ for B, W, and EA populations is r>.99.) --] 04:36, 3 September 2006 (UTC)

:I wouldn't mind either if we said that brain size varies according to group, and that some ''interpret'' it as varying according to race (although I would be careful not to mix Jensen's purported correlation of brain size to IQ, as we are here discussing the correlation of brain size to race, and all sources I could find who have described a correlation usually find a much more modest one at 0.2-0.3 for example, according to Rushton) while others interpret it as varying by latitude and climate (with the corresponding correlation, 0.5-0.6 according to Beals). That way, we wouldn't give the impression that the race-brain size variation is an "unchallenged fact" (it is being challenged by a competing explanation: latitude and climate).--] 11:29, 3 September 2006 (UTC)

::I like the idea of illustrating the difference between the correlations - we can simply state the data, and explain that different people choose to interpret it in different ways. --] 21:54, 3 September 2006 (UTC)

:Let's use another example (I believe it paraphrases Gould, but I'm not sure): over the last few years, the price of gas at the pump has been steadily increasing, and the amount of hair on top of my head has been steadily decreasing. Would you state there is an "inverse correlation" between the price of gas and the amount of hair on my head? Or would you rather say any correlation is "coincidental"? I wouldn't be surprised if you did say it was coincidental. Likewise, scientists have argued that the brain size-race "correlation" is coincidental to the real correlation. (In the previous case, my falling hair has to do with my advancing age, and gas price has to do with inflation; the only real relationship between the two is time).--] 14:44, 3 September 2006 (UTC)

::I don't have time for a full reply. This is not good (especially the second paragraph). You should re-read Arbor's comment that I flagged above. As Arbor points out, "race" is usually not an explanation for anything, but simply a way to group the population. (Genes and environment in some mix proximally explain why individuals and groups are different. History, including evolutionary history, explains this distally.)
::Where is the idea that there's a "correlation" between race and brain size coming from? Specifically the word "correlation". --] 18:04, 3 September 2006 (UTC)

:::The correlation is claimed by Rushton and others. That is why they order brain size as EA-B-W.The fundamental problem is that many hereditarian researchers make the construct "IQ is related to brain size" (now disputed-see below) and then "brain size is related to race" (disputed) to conclude "IQ is related to race" (disputed also). Also, since it is the second time you issue a warning on the meaning of "correlation", I would appreciate if you could expound on the ramifications of its meaning, in your understanding (when you have a moment, of course). I'd like to make sure we are working with the same definitions.--] 19:52, 3 September 2006 (UTC)
:::The one way I see we can get out of this descrptional impasse would be to state that brain size varies between groups of humans, and that some researchers have ascribed the variation to race (with r=0.2-0.3) while others have ascribed it to latitude and climate (with r=0.5-0.6). I think that's the most neutral this can get. I'm quite sure that just stating that "brain size varies with race" is both incomplete and misleading.--] 20:17, 3 September 2006 (UTC)
::::Actually, I also found this in
<blockquote>(...)another recent study examines the relationship between brain volume and IQ (Schoenemann et al. 2000) but partitions the variation in a significant way. With three relevant variables (IQ, brain size, and conditions of life), these researchers control for the conditions of life by contrasting the relationship between IQ and brain size within families (where the conditions of life vary little) and between families (where the conditions of life vary more substantially). They find a correlation between IQ and brain size only across families, where both the conditions of life and the volume of the brain vary. Within families, where brain volume differs but the conditions of life differ much less, there is no correlation between brain volume and IQ. To the extent, then, that there may be an empirical relationship between brain size and IQ, it is far more likely to represent a spurious statistical consequence of common life circumstances than it is to represent a deterministic nexus linking size of brain and size of thought.</blockquote>
::::Here is a direct link to the Schoenemann article cited (full article freely available):. So, it does look like even the brain size to IQ relationship is challenged. But we'll keep that for the next discussion. :)--] 20:54, 3 September 2006 (UTC)

:::::I again don't have the time required to fully reply. the primary problem here is a confusion about (and confounding of) different levels of description. (1) no one "ascribes" (as in "explains") variation in brain size to race. rather races happen to vary in brain size because of certain causes (as described in my last short reply) which it seems most researchers agree includes regional evolutionary adapation to climate (this is a major part of Lynn's & Rushton's theories i believe). (2) the pearson ] (r) is calculated between two continuous variables. race is not a continuous variable, and it requires different and more sophisticated kinds of statistcs to compare a continuous variable with a cateogorical variable (like race). i briefly searched thru Rushton's PDFs to see if he uses "correlation" to describe the B-W-EA difference in brain size. based on my seach, he does not. he does sometimes correlate some continuous variable that is different between races (say IQ) with brain size to find that they are correlated. (3) looking at individual primary research papers to form an opinion about the brain size IQ correlation is not appropriate for this article. (likewise with race differences in brain size.) the various review articles and textbooks (Gray and Thompson 2004; Sternberg's "Handbook on Intelligence"; McDaniels 2005) all agree that the within-race-sex-age correlation between total brain size and IQ is .4. however, i believe Schoenemann's different findings are described in the sub-article. coincidently, while searching thru Sternberg's "Handbook on Intelligence" I found that it too agrees that there are race differences in brain size. --] 21:25, 3 September 2006 (UTC)
::::::Rikurzhen, I have a problem understanding your objection. If we say that some people find that brain size varies according to race, while others find the variation is according to latitude, where is the harm? Best case scenario, it will help people better understand the underpinnings of the debate, and worst case scenario it may seem like superfluous information for some. And, FWIW, I have been using Lieberman, a secondary source for most of the arguments presented in this section.--] 00:19, 4 September 2006 (UTC)
:::::::Merely appending a sentence saying that brain size is correlated with latitude among indigenous populations is fine. The additional material that you seem to have been suggesting would not be. --] 07:10, 4 September 2006 (UTC)

::::::::I believe the section we were concerned with was the "genetic explanations" section with the "4 lines of converging data"...can you do us a favor, Rikurzhen, and "write for the enemy" the compromise you think might work? Let's try a few iterations between us, and see if we can put the first line into a more NPOV position. I believe it currently reads:

''Worldwide Black–White–East Asian differences in IQ, reaction time, and brain size believed to exist based on various compliations of previous studies. In the United States, Black-White IQ differences of varying magnitudes have been observed when controlling for age (above 3 years), occupation, socioeconomic level, and region of the country.''

:::::::::Your take on what you think might be acceptable to Ramdrake and I would be greatly appreciated. --] 09:44, 4 September 2006 (UTC)

JK, (1) "believed to exist" is a ] term (''who believes it to exist?'' it's the mainstream view of scientists who write review articles on this topic) and "based on various compilations of pervious studies" merely describes review papers and the process of ] (which are the proper basis for establishing that it's the mainstream view). We cannot present mainstream views this this way. Note that the interpretation of these facts WRT the cause of the BW gap is controversial, but not the facts themseleves. (2) The previously established structure of the now "Explanations" sections is to present an the best arguments for the particular positions mostly unbroken by counter-arguments. I believe this is the policy recommendation on presenting a scientific dispute fairly. --] 17:40, 4 September 2006 (UTC)
:Rikurzhen, I'm not sure what you mean by this. I you're insisting that the opinion that there are '''significant''' racial differences in brain size is the '''mainstream opinion''', I think the controversial nature of this statement has been demonstrated enough to show that it is ''not'' the mainstream opinion, but an opinion shared by many researchers (while others dissent). Also, the Neisser comment on the APA report (Neisser 1997) states this: ''Although those studies exhibit many internal inconsistencies (and the within-groups variabilities are always much larger than the between-groups differences), there is indeed a small overall trend in the direction they describe.'' Nowhere is the mention of "significant differences" made, just that of a "small overall trend" (which without qualification may or may not be significant). Also, Neisser prefaced his entire comment with this caveat: ''Readers should be aware that this response reflects only my views, not necessarily those of other members of the task force.'' So, one can't take anything in this comment as representative of the APA task force's opinion as a whole, but just as Neisser's views. So, I think the right thing to do NPOV-wise is to describe both positions (brain size varies with race vs brain size varies according to latitude and climate) as being just that: positions in a debate.--] 19:04, 4 September 2006 (UTC)

== Accusations of bias - about PF fund ==
This gets us back to the discussion about PF and "bias" from above. As per the long thread above, you have mischaracterized claims about the effects PF on research. The test is in how PF research is treated by the reseacher's peers -- not what outsiders and nonscientist think. The opinion is well summarized by Sternberg in the Skeptic magazine interview that was linked previous: PF doesn't matter when evaluating the science. --] 08:44��B�����eGET http://en.wikipedia.org/Special:Contributions/Slrubenstein HTTP/1.0
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-sockwave-flash, application/vnd.ms-excel, applic�ation/vnd.ms-powerpoint, application/mswor arises solely from its relation to some theory and its testability, or susceptibility to empirical refutation.'' Which is the same opinion expressed by Sternberg. I believe this gets to the crux of what Nectar was getting at about comments made by this within/outside the field. If Jensen and Sternberg, who disagree on many points, agree on this matter, then it is important that we take their opinion about what's important into account. --] 01:22, 2 September 2006 (UTC)

:I think when it comes down to it, Jensen and Sternberg's agreement does not obviate the criticism that has been made of the ] grantees and funded research by Gould and other scientists, scholars, and journalists. To somehow elevate an arbitrary group (say "Intelligence researchers") as the standard by which we discredit criticism is really unnecessary. We can certainly make mention of some of the positive notes made by people though, to present a balance with the criticism - I just think that in either case (praise/criticism), we shouldn't be trying to undercut their worth by ad-hominem attack, or appeal to authority. Can we take Jensen & Sternberg's example and work it in without trying to undercut Jensen by calling him "cited by notorious racialists", or overplay him by calling him "praised by unbiased scientists"? --] 06:33, 2 September 2006 (UTC)

::I believe that what Nectar was looking for was to distinguish between those people/journals who study intelligence and those looking from the outside, and to make this clear in the text. And of course the MMoM/Gould is a relaible source for his own opinions (despite not being a reliable source for the scientific consensus.) --] 06:36, 2 September 2006 (UTC)

:::I think Pete Hurd wrote a good section on generalist journals versus specialist journals - I don't see any worthwhile distinction there as to credibility regarding the issue. We could just as soon caveat every research with that their background is, psychology, genetics, anthropology, etc. Rather than distinguish types of criticism in some arbitrary way, why not just stte the criticism, and state the praise in a neutral, sympathetic manner? --] 19:44, 2 September 2006 (UTC)

::::The distiction of importance is at the level of individual commentors. Jensen, Sternberg, are specialist in the field of intelligence. Critics of the sort cited are not. --] 20:02, 2 September 2006 (UTC)

:::::That seems like something different that what I originally understood you to be saying. If I'm not mistaken, the original contention was that we should include phrasing to the effect that criticism had not come from "specialist intelligence journals" - if we want to identify the background of critics and commentors, i.e., this one is a psychologist, this one is an anthropologist, this one is a geneticist, I suppose I could agree with that - is that acceptable to you? --] 02:10, 3 September 2006 (UTC)

in deference to SLR, i'm waiting for the brain size thread to be completed. --] 02:34, 3 September 2006 (UTC)

----
This talk page is now 89 kb long. I beg Rikurzhen, JereKrischel, and Ramdrake to pick ''just one'' of the points of contention currently being discussed, hammer out a compromise change to the article that satisfies all parties (and its compliant with core policies) and then archive whatever talk was related to that point of contention/compromise. Just trying to be constructive (and I find it hard to believe that any of you has yet to have communicated to the others what s/he thinks and why). ] | ] 01:04, 3 September 2006 (UTC)

:Well, no better place to start than the top - Rikurzhen, Ramdrake, et.al., would you like to pick one issue and call for a moratorium on other issues until we get it settled? --] 02:10, 3 September 2006 (UTC)

::Um, the brain size issue is the most active. --] 02:17, 3 September 2006 (UTC)
:::For the record, I agree with the moratorium.--] 12:59, 3 September 2006 (UTC)

==Radical Suggestion==
Thinking about it in the shower this morning, I thought maybe we could do something more radical than try to fine tune this article - what if we were to create two articles, one called ], and one called ] - we could probably write a very good article on ] without too much consternation, simply illustrating the various studies and overall agreement on the partial influence of genetics on intelligence, and then have the real disagreements, between whether or not race is a genetically viable proxy for genetics in another. Just an idea, of course, I'm not suggesting I have a complete answer, but I thought it might be interesting to try. --] 21:57, 3 September 2006 (UTC)
:It would go a long way towards removing the contentiousness of this article.--] 22:27, 3 September 2006 (UTC)
::These articles already exist in the form of ] (which is a sub of ]) and ]. Also, ] generally rules out such proposals. --] 07:13, 4 September 2006 (UTC)
:No only that. '''Genetics and intelligence''' is a field we know very little about. (In the sense that there is only a tiny handful of papers highlighting some candidate "brain-buildling" genes. Not in the sense that we know that there ''is'' a genetic contribution.) This is all very new research, and nobody really knows much, not even ]. I sure wish we ''did'' know more about it. On the other hand, '''Race and intelligence''' is a field that has been studies for a century (or at least for a number of decades) with thousands of publications. You and I and Rik may all agree that '''Genetics and intelligence''' is ''teh shit'' and the True and Good way of presenting this whole body of knowledge. (I certainly think that in two or three decades that ''will'' be the case.) But Misplaced Pages has no ambition to provide ''superior'' presentations. Quite the contrary. It is ''explicitly forbidden''. '''Race and intelligence''' is a very real field with very real data and a huge body of work; articles. books. survey papers. ''Even if we all agreed'' that '''Genetics and intelligence''' (or '''Test bias and IQ tests''' or '''Discrimination and school performance''' or whatever) is the best way of understanding this complex, we couldn't just write it. But what we ''can'' do is to make this the best damn article on Race and intelligence on the planet. ] 07:29, 4 September 2006 (UTC)

::I appreciate your opinion, Arbor - I think if all the people cited in the R&I article could admit that '''Genetics and intelligence''' is a field we know very little about, maybe we wouldn't have such consternation :). But enough said, let's try and knock down one disputed section at a time (currently on the B-W-EA brain size differences argument, if I'm not mistaken), and work on compromises and NPOV. I move to table my suggestion, and put this in the archive. --] 09:34, 4 September 2006 (UTC)

:::It is common to distinguish between "genetics" and "inheritance" (or "heritability"). Here, Arbor is taking "genetics" to mean "molecular genetics"; where "inheritance" might be understood to mean "quantitative/behavioral genetics". --] 18:36, 4 September 2006 (UTC)

I think the confusion present in society that the word "races" is subtly and/or unconsciously synonymous with the word "genetics" is too strong to ignore and too dangerous to perpetuate. It's very noteworthy that advocates of "race and intelligence research" do not even attempt to define the word or concept of "races" using words from the field of genetics, this should be a scientific prerequisite in my interpretation. This article's X and Y method of presentation is fundamentally disputed just because of the fact that many genetists have publicly contradicted "race and intelligence researchers" proposed (or lack of a scientific) definition for the concept of "races". How can presenting an issue using an X and Y dichotomy be neutral and scientific if the presenter refuses to scientifically define "X"? It almost seems as if "race and intelligence researchers" do not even really attempt to "define" the word or concept of "races" scientifically because they prefer the common prejudicial/stereotypical ones. Geneticsts have long argued that the prejudicial and stereotype-esque "definitions" of "races" are wrong and have no scientific basis, why do "race and intelligence researchers" perpetuate this confusion? Words are suppose to point toward abstract conceptualization and mean nothing intrinsically.

Any title like "race and genetics" will probably be errantly read as a tautologistic dichotomy centered around the same concept. Adding another layer of dichotomy around this abstract issue only perpetuates and obfuscates the extreme problems with the incomplete and misleading way this issue has already been presented. There are numerous ways of contrasting things for the purpose of thinking about the larger issue, a key question is why do advocates of "race and intelligence research" always focus, to the exclusion of all else, on just one contrast among many possible? Just because someone else relentlessly contrasts a larger abstract issue exclusively one way does NOT mean you have to think about it their way. To escape a dichotomy you should think about an issue abstractly and search for alternate and multiple ways of mentally contrasting something. ] 18:58, 4 September 2006 (UTC)

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Section sizes
Section size for Race and intelligence (31 sections)
Section name Byte
count
Section
total
(Top) 2,627 2,627
History of the controversy 3,119 11,838
Early IQ testing 3,763 3,763
The Pioneer Fund and The Bell Curve 4,956 4,956
Conceptual issues 25 12,608
Intelligence and IQ 3,402 3,402
Race 9,181 9,181
Group differences 2,017 11,738
Test scores 6,609 6,609
Flynn effect and the closing gap 3,112 3,112
Environmental factors 26 28,726
Health and nutrition 8,895 8,895
Education 4,630 4,630
Socioeconomic environment 3,656 3,656
Test bias 2,671 2,671
Stereotype threat and minority status 8,848 8,848
Research into possible genetic factors 4,981 27,192
Genetics of race and intelligence 4,001 4,001
Heritability within and between groups 4,588 4,588
Spearman's hypothesis 3,826 3,826
Adoption studies 4,255 4,255
Racial admixture studies 2,450 2,450
Mental chronometry 1,939 1,939
Brain size 937 937
Archaeological data 215 215
Policy relevance and ethics 2,717 2,717
See also 142 142
References 18 50,123
Notes 28 28
Citations 31 31
Bibliography 50,046 50,046
Total 147,711 147,711

? view · edit Frequently asked questions Is there really a scientific consensus that there is no evidence for a genetic link between race and intelligence? Yes, and for a number of reasons. Primarily: Isn't it true that different races have different average IQ test scores? On average and in certain contexts, yes, though these differences have fluctuated and in many cases steadily decreased over time. Crucially, the existence of such average differences today does not mean what racialists have asserted that it means (i.e. that races can be ranked according to their genetic predisposition for intelligence). Most IQ test data comes from North America and Europe, where non-White individuals represent ethnic minorities and often carry systemic burdens which are known to affect test performance. Studies which purport to compare the IQ averages of various nations are considered methodologically dubious and extremely unreliable. Further, important discoveries in the past several decades, such as the Flynn effect and the steady narrowing of the gap between low-scoring and high-scoring groups, as well as the ways in which disparities such as access to prenatal care and early childhood education affect IQ, have led to an understanding that environmental factors are sufficient to account for observed between-group differences. And isn't IQ a measure of intelligence? Not exactly. IQ tests are designed to measure intelligence, but it is widely acknowledged that they measure only a very limited range of an individual's cognitive capacity. They do not measure mental adaptability or creativity, for example. You can read more about the limitations of IQ measurements here. These caveats need to be kept in mind when extrapolating from IQ measurements to statements about intelligence. But even if we were to take IQ to be a measure of intelligence, there would still be no good reason to assert a genetic link between race and intelligence (for all the reasons stated elsewhere in this FAQ). Isn't there research showing that there are genetic differences between races? Yes and no. A geneticist could analyze a DNA sample and then in many cases make an accurate statement about that person's race, but no single gene or group of genes has ever been found that defines a person's race. Such variations make up a minute fraction of the total genome, less even than the amount of genetic material that varies from one individual to the next. It's also important to keep in mind that racial classifications are socially constructed, in the sense that how a person is classified racially depends on perceptions, racial definitions, and customs in their society and can often change when they travel to a different country or when social conventions change over time (see here for more details). So how can different races look different, without having different genes? They do have some different genes, but the genes that vary between any two given races will not necessarily vary between two other races. Race is defined phenotypically, not genotypically, which means it's defined by observable traits. When a geneticist looks at the genetic differences between two races, there are differences in the genes that regulate those traits, and that's it. So comparing Africans to Europeans will show differences in genes that regulate skin color, hair texture, nose and lip shape, and other observable traits. But the rest of the genetic code will be essentially the same. In fact, there is much less genetic material that regulates the traits used to define the races than there is that regulates traits that vary from person to person. In other words, if you compare the genomes of two individuals within the same race, the results will likely differ more from each other than a comparison of the average genomes of two races. If you've ever heard people saying that the races "are more alike than two random people" or words to that effect, this is what they were referring to. Why do people insist that race is "biologically meaningless"? Mostly because it is. As explained in the answer to the previous question, race isn't defined by genetics. Race is nothing but an arbitrary list of traits, because race is defined by observable features. The list isn't even consistent from one comparison to another. We distinguish between African and European people on the basis of skin color, but what about Middle Eastern, Asian, and Native American people? They all have more or less the same skin color. We distinguish African and Asian people from European people by the shape of some of their facial features, but what about Native American and Middle Eastern people? They have the same features as the European people, or close enough to engender confusion when skin color is not discernible. Australian Aborigines share numerous traits with African people and are frequently considered "Black" along with them, yet they are descended from an ancestral Asian population and have been a distinct cultural and ethnic group for fifty thousand years. These standards of division are arbitrary and capricious; the one drop rule shows that visible differences were not even respected at the time they were still in use. But IQ is at least somewhat heritable. Doesn't that mean that observed differences in IQ test performance between ancestral population groups must have a genetic component? This is a common misconception, sometimes termed the "hereditarian fallacy". In fact, the heritability of differences between individuals and families within a given population group tells us nothing about the heritability of differences between population groups. As geneticist and neuroscientist Kevin Mitchell explains:

We need to get away from thinking about intelligence as if it were a trait like milk yield in a herd of cattle, controlled by a small, persistent and dedicated bunch of genetic variants that can be selectively bred into animals from one generation to the next. It is quite the opposite – thousands of variants affect intelligence, they are constantly changing, and they affect other traits. It is not impossible for natural selection to produce populations with differences in intelligence, but these factors make it highly unlikely.

To end up with systematic genetic differences in intelligence between large, ancient populations, the selective forces driving those differences would need to have been enormous. What’s more, those forces would have to have acted across entire continents, with wildly different environments, and have been persistent over tens of thousands of years of tremendous cultural change. Such a scenario is not just speculative – I would argue it is inherently and deeply implausible.

The bottom line is this. While genetic variation may help to explain why one person is more intelligent than another, there are unlikely to be stable and systematic genetic differences that make one population more intelligent than the next.

What about all the psychometricians who claim there's a genetic link? The short answer is: they're not geneticists. The longer answer is that there remains a well-documented problem of scientific racism, which has infiltrated psychometry (see e.g. and ). Psychometry is a field where people who advocate scientific racism can push racist ideas without being constantly contradicted by the very work they're doing. And when their data did contradict their racist views, many prominent advocates of scientific racism simply falsified their work or came up with creative ways to explain away the problems. See such figures as Cyril Burt, J. Phillipe Rushton, Richard Lynn, and Hans Eysenck, who are best known in the scientific community today for the poor methodological quality of their work, their strong advocacy for a genetic link between race and intelligence, and in some cases getting away with blatant fraud for many years. Isn't it a conspiracy theory to claim that psychometricians do this? No. It is a well-documented fact that there is an organized group of psychometricians pushing for mainstream acceptance of racist, unscientific claims. See this, this and this, as well as our article on scientific racism for more information. Isn't this just political correctness? No, it's science. As a group of scholars including biological anthropologists Agustín Fuentes of Princeton and Jonathan M. Marks of the University of North Carolina explain: "while it is true that most researchers in the area of human genetics and human biological diversity no longer allocate significant resources and time to the race/IQ discussion, and that moral concerns may play an important role in these decisions, an equally fundamental reason why researchers do not engage with the thesis is that empirical evidence shows that the whole idea itself is unintelligible and wrong-headed". These authors compare proponents of a genetic link between race and IQ to creationists, vaccine skeptics, and climate change deniers. At the same time, researchers who choose to pursue this line of inquiry have in no way been hindered from doing so, as is made clear by this article: . It's just that all the evidence they find points to environmental rather than genetic causes for observed differences in average IQ-test performance between racial groups. What about the surveys which say that most "intelligence experts" believe in some degree of genetic linkage between race and IQ?
  • These surveys are almost invariably conducted by advocates of scientific racism, and respondents to these surveys are also almost exclusively members of groups that promote scientific racism. In short, they are not representative samples of mainstream scientific opinion.
  • These surveys tend to have very low participation rates, and often consist of fewer than 100 respondents.
  • Many of the surveys suffer from methodological flaws, such as using leading questions. This leads to an increase in responses from those who agree, and a decrease from those who disagree.
  • Generally speaking, the better the methodology of the survey, the lower agreement it shows with the claim of a genetic link between race and intelligence.
  • Even the most poorly structured surveys, conducted among members of groups that are dominated by advocates for scientific racism, show much doubt and difference of opinion among respondents.
  • The vast majority of respondents have absolutely no qualifications to speak on genetics.
Is there really no evidence at all for a genetic link between race and intelligence? No evidence for such a link has ever been presented in the scientific community. Much data has been claimed to be evidence by advocates of scientific racism, but each of these claims has been universally rejected by geneticists. Statistical arguments claiming to detect the signal of such a difference in polygenic scores have been refuted as fundamentally methodologically flawed (see e.g. ), and neither genetics nor neuroscience are anywhere near the point where a mechanistic explanation could even be meaningfully proposed (see e.g. ). This is why the question of a genetic link between race and intelligence is largely considered pseudoscience; it is assumed to exist primarily by advocates of scientific racism, and in these cases the belief is based on nothing but preconceived notions about race. What is the current state of the science on a link between intelligence and race? Please see the article itself for an outline of the scientific consensus. What is the basis for Misplaced Pages's consensus on how to treat the material? Misplaced Pages editors have considered this topic in detail and over an extended period. In short, mainstream science treats the claim that genetics explains the observable differences in IQ between races as a fringe theory, so we use our own guidelines on how to treat such material when editing our articles on the subject. Please refer to the following past discussions:

Lede's prose on scientific consensus

I think that modern science has concluded that race is a socially constructed phenomenon rather than a biological reality, would be better reworded to match the section on race further into the article.

From this article's 'Race' section:

The majority of anthropologists today consider race to be a sociopolitical phenomenon rather than a biological one, a view supported by considerable genetics research. The current mainstream view in the social sciences and biology is that race is a social construction based on folk ideologies that construct groups based on social disparities and superficial physical characteristics...

This wording, which present race's social construction as a consensus view among scientists, rather than something which has been shown or concluded by science, is more in line with the wordings and contexts of reliable sources, like the consensus reports by National Academies of Science (here) and the American Association of Biological Anthropologists (here), which present arguments to support their consensus, but not scientifically-derived conclusions that would be appropriately reported with the modern science has concluded... verbiage. Similarly, this SciAm piece presents race's social construction as a consensus view, again presenting arguments to support it, rather than as a scientific finding per se:

Today, the mainstream belief among scientists is that race is a social construct without biological meaning.

From Anthropologists' views on race, ancestry, and genetics:

Results demonstrate consensus that there are no human biological races and recognition that race exists as lived social experiences that can have important effects on health.

From Misrepresenting Race — The Role of Medical Schools in Propagating Physician Bias:

Most scholars in the biologic and social sciences converge on the view that racism shapes social experiences and has biologic consequences and that race is not a meaningful scientific construct in the absence of context.

All of these sources report race's social construction as a consensus view held broadly by scientists, and not as a finding that has been shown or concluded by science. None of them report it as a something that science has found, shown, or concluded. Among all of these, the current lede prose stands out—which, given that Misplaced Pages's role is to follow consensus of reliable secondary sources, it shouldn't.

I propose the following options, or similar:

...modern scientific consensus regards race to be a socially constructed phenomenon rather than a biological reality,

...modern scientific consensus considers race to be a socially constructed phenomenon rather than a biological reality,

...the consensus in modern science is that race is a socially constructed phenomenon rather than a biological reality,

...the prevailing view in contemporary science is that race is a socially constructed phenomenon rather than a biological reality,

...scientists generally agree today that race is a socially constructed phenomenon rather than a biological reality, Zanahary (talk) 23:44, 17 December 2023 (UTC)

I'll start by pointing out to anyone who may just be stumbling on this thread that Zanahary and I (and MrOllie) have already discussed this sentence. My view is that the sources do indeed present the view that race is a social construct rather than a biological reality as a finding or conclusion reached in the genomics era, rather than a mere convention. Here's how Ewan Birney et al. explain it:

Research in the 20th century found that the crude categorisations used colloquially (black, white, East Asian etc.) were not reflected in actual patterns of genetic variation, meaning that differences and similarities in DNA between people did not perfectly match the traditional racial terms. The conclusion drawn from this observation is that race is therefore a socially constructed system, where we effectively agree on these terms, rather than their existing as essential or objective biological categories. Some people claim that the exquisitely detailed picture of human variation that we can now obtain by sequencing whole genomes contradicts this. Recent studies, they argue, actually show that the old notions of races as biological categories were basically correct in the first place. As evidence for this they often point to the images produced by analyses in studies that seem to show natural clustering of humans into broadly continental groups based on their DNA. But these claims misinterpret and misrepresent the methods and results of this type of research. Populations do show both genetic and physical differences, but the analyses that are cited as evidence for the concept of race as a biological category actually undermine it.

Yes, convention also plays a role because of garbage-in/garbage-out concerns, as is emphasized by the 2023 consensus report I suggested in our previous conversation on this language. But the basic fact that race serves as a "weak proxy for genetic diversity" was a genuine discovery that had to wait for the era of DNA sequencing to become settled science. That's why I stand behind "...modern science has concluded..." as a perfectly accurate way to phrase this.
I do thank you, though, for pointing out that the body needed to comport better with the lead. It really was out of date, so I've made an effort to update it. Cheers, Generalrelative (talk) 01:15, 18 December 2023 (UTC)
I think the update you've made to the Race section is great! The new verbiage is specific and contextualizes the view as one of consensus. I hope that the lede can follow it, even verbatim or nearly so.For ease, the new verbiage in the Race section: The consensus view among geneticists, biologists and anthropologists is that race is sociopolitical phenomenon rather than a biological one, a view supported by considerable genetics research.For anyone stumbling upon this now, I've started this discussion with a more specific aim (matching reliable sources), and with sources to support my proposed verbiage, than my previous started discussion, which I'd initiated with less context and editing experience. Zanahary (talk) 02:47, 18 December 2023 (UTC)
Thanks Zanahary. I contemplated a more thorough revision (not sure if we really need more than the first two paragraphs of the "Race" section to convey the necessary information to the reader of this article), but for the time being decided not to be so BOLD. I'd be curious to hear what you think of that suggestion though.
Wrt the lead sentence on scientific consensus, it may be that you and I just have slightly different intuitions about how best to summarize the sources. Let's see what others have to say, and if no one else here wants to weigh in there is always the option of posting at WP:NPOVN. The best thing about Misplaced Pages (in my view) is being able to tap into the wisdom of crowds –– in our case, thankfully, crowds of very well informed editors who have been doing this for a while. Generalrelative (talk) 03:12, 18 December 2023 (UTC)
The Race section, in my opinion, is definitely sufficient to convey the necessary context for unfamiliar readers to understand what follows. Zanahary (talk) 04:26, 18 December 2023 (UTC)
Ah, I wasn't clear. My idea is to cut all but the first two paragraphs of the section. Those two paragraphs are where we highlight the consensus statements from the major scientific organizations. The rest of the section seems to get into the weeds in a way that I'm not sure is especially helpful. Maybe it's best to just leave it to readers who want to learn more to click through the "Main articles" header to Race (human categorization) or Race and genetics?
I'm not especially committed to this idea. It's just something that occurred to me when reading through the section with fresh eyes. Generalrelative (talk) 04:53, 18 December 2023 (UTC)
Ah, gotcha. In that case, I think it should stay. The self-report is an important piece of context for the reader to interpret all the statistical references that follow. The clustering part is good too, though I'm going to go ahead and switch its place with the self-report paragraph, since I think it more naturally belongs after paragraphs about scientific conceptions and treatments of race than a paragraph about collection methods. Zanahary (talk) 05:38, 18 December 2023 (UTC)
I like what you did there. You're right: the section does flow much better now.
The one part that still strikes me as muddled is the final bit: everything from Hunt and Carlson disagreed... onward. I'm not sure what an ordinary reader is meant to take away from this. And is it really DUE to mention a disagreement among psychologists about how to read a genetics paper? In any case, if others think it is DUE, it should probably be revised for clarity. Generalrelative (talk) 16:32, 18 December 2023 (UTC)
Unsure why the philosophers Jonathan Kaplan and Rasmus Winther get some much space, they seemingly argue "both Lewontin and Edwards are right", but the article hasn't yet introduced Human Genetic Diversity: Lewontin's Fallacy to the reader (who might wonder who they could be) and probably not the place to do that? fiveby(zero) 17:53, 18 December 2023 (UTC)
Wow, good catch. I've made some edits, and marked a confusing sentence for clarification. Zanahary (talk) 19:14, 18 December 2023 (UTC)
Since it looks like the party's all here, would anyone care to give their input on the conclusion/finding/consensus/etc. verbiage question? @Sj @Gråbergs Gråa Sång @Generalrelative @NightHeron @Steve Quinn @Fiveby
(Apologies if it's considered ugly to ping) Zanahary (talk) 17:59, 8 February 2024 (UTC)
I don't have an informed opinion. Gråbergs Gråa Sång (talk) 20:13, 8 February 2024 (UTC)
I like that wording much better, including for the lead - DFlhb (talk) 10:25, 9 February 2024 (UTC)
I am reading the linked sources that are provided above. I'll have to get back to you on this. I will say, however, that saying modern scientific consensus says such and such, is the same as saying modern science has concluded such and such.
A mainstream consensus is the position that science takes on an issue. This position seems to be the same as reaching a conclusion on an issue — especially on an issue such as this, where the scientific consensus is probably overwhelming. I am not sure the wording needs to be changed, but I will get back to you on this - hopefully within a few days, after I explore the material. ---Steve Quinn (talk) 23:58, 9 February 2024 (UTC)
So, saying "modern science has concluded that race is a socially constructed phenomenon rather than a biological reality," appears to be succinct, clear and accurate, There is no need to try to water down the message here or muddy the waters. And as I said, let me get back to you on this. ---Steve Quinn (talk) 00:13, 10 February 2024 (UTC)
I didn't see it as a watering down, if anything it seemed stronger; but I'm interested in your thoughts - DFlhb (talk) 00:24, 10 February 2024 (UTC)
Another issue with the use of the term "consensus" is that on controversial topics, there can be significant differences between public and private views. Publicly stating an unpopular opinion on a controversial race issue can have disastrous consequences for a scientist's career. The Misplaced Pages article https://en.wikipedia.org/The_IQ_Controversy,_the_Media_and_Public_Policy is not referenced in this article but probably should be, as it surveyed intelligence researchers anonymously. Below is a relevant two-paragraph excerpt:
The question regarding this in the survey asked "Which of the following best characterizes your opinion of the heritability of black-white differences in IQ?" Amongst the 661 returned questionnaires, 14% declined to answer the question, 24% said that there was insufficient evidence to give an answer, 1% said that the gap was "due entirely to genetic variation", 15% voted that it was "due entirely to environmental variation" and 45% said that it was a "product of genetic and environmental variation". According to Snyderman and Rothman, this contrasts greatly with the coverage of these views as represented in the media, where the reader is led to draw the conclusion that "only a few maverick 'experts' support the view that genetic variation plays a significant role in individual or group difference, while the vast majority of experts believe that such differences are purely the result of environmental factors."
In their analysis of the survey results, Snyderman and Rothman state that the experts who described themselves as agreeing with the "controversial" partial-genetic views of Arthur Jensen did so only on the understanding that their identity would remain unknown in the published report. This was due, claim the authors, to fears of suffering the same kind of castigation experienced by Jensen for publicly expressing views on the correlation between race and intelligence which are privately held in the wider academic community. Bws92082 (talk) 14:20, 13 July 2024 (UTC)
You've left out that Snyderman and Rothman's results are themselves largely rejected by the relevant experts. 'Everyone secretly agrees with me but won't say so' is sometimes used as a debate tactic by scientific minorities, but it as unconvincing here as it is everywhere else it is used. MrOllie (talk) 14:27, 13 July 2024 (UTC)
Your entirely dismissive response is not justified by the content of that Misplaced Pages entry. If Misplaced Pages felt it was worthy of an entry of its own, then clearly it would be relevant to the 'Race and intelligence' article, and should be referenced. Bws92082 (talk) 14:49, 13 July 2024 (UTC)
Misplaced Pages also thinks that Modern flat Earth beliefs deserve an entry of their own, but you will find they are not mentioned on articles about astronomy. MrOllie (talk) 14:56, 13 July 2024 (UTC)
If Modern flat Earth beliefs were shown to be largely accepted in a poll of published astronomy researchers, then it most certainly should be mentioned in articles about astronomy. Bws92082 (talk) 15:05, 13 July 2024 (UTC)
If there were flaws in the polling, we'd probably mention it in its own article, and perhaps in a history article (like, say, History of the race and intelligence controversy). We wouldn't (and per WP:GEVAL could not) use it to try to undercut higher quality sources. MrOllie (talk) 15:17, 13 July 2024 (UTC)
There are other sources that support Snyderman and Rothman's view that there is no real consensus among intelligence researchers on the cause of the Black/White IQ gap. For example, see https://www.sciencedirect.com/science/article/abs/pii/S0160289619301886?via%3Dihub
In closing, I will note that the 'Race and Intelligence' article's quote that "genetics does not explain differences in IQ test performance between groups, and that observed differences are environmental in origin" is truly an extraordinary scientific claim (which would require extraordinary evidence to confirm). It rules out any genetic contribution to group differences allowing only for a 100% environmental effect. All human groups, in other words, have identical native intelligence. This may well be true, but any suggestion that researchers are anywhere close to demonstrating this as a scientific fact would be highly questionable. Bws92082 (talk) 16:44, 13 July 2024 (UTC)
Rindermann's survey has been discussed extensively in the talk pages archives. It's not surprising that he got the results that he did, since he surveyed the members of ISIR, who we knew very well would give the results he was looking for. Then he published it in a journal known for publishing racist pseudoscience. MrOllie (talk) 17:07, 13 July 2024 (UTC)
Like it or not, ISIR's flagship publication 'Intelligence' is a leading journal in its field. The world-renowned behavioral geneticist Robert Plomin, for example, publishes papers here: https://www.sciencedirect.com/science/article/pii/S0160289624000278 . Again your totally dismissive attitude is unwarranted. Excluding all ISIR opinions cannot be justified. Bws92082 (talk) 17:41, 13 July 2024 (UTC)
That journal isn't immune to publishing papers that are controversial and contested, something the Intelligence (journal) article already points out. Harryhenry1 (talk) 17:59, 13 July 2024 (UTC)
Being "immune to publishing papers that are controversial and contested" is not an appropriate requirement for a truth-seeking scientific journal. Bws92082 (talk) 19:09, 13 July 2024 (UTC)
Perhaps, perhaps not. Keeping white supremacists off the editorial board is an appropriate requirement, though. MrOllie (talk) 21:18, 13 July 2024 (UTC)

I recently added a source which should clear up any uncertainty as to where the scientific consensus stands on the matter:

Recent articles claim that the folk categories of race are genetically meaningful divisions, and that evolved genetic differences among races and nations are important for explaining immutable differences in cognitive ability, educational attainment, crime, sexual behavior, and wealth; all claims that are opposed by a strong scientific consensus to the contrary. ... Despite the veneer of modern science, RHR psychologists’ recent efforts merely repeat discredited racist ideas of a century ago. The issue is truly one of scientific standards; if psychology embraced the scientific practices of evolutionary biology and genetics, current forms of RHR would not be publishable in reputable scholarly journals.

Generalrelative (talk) 16:37, 13 July 2024 (UTC)

References

  1. Bird, Kevin; Jackson, John P.; Winston, Andrew S. (November 2023). "Confronting Scientific Racism in Psychology: Lessons from Evolutionary Biology and Genetics". American Psychologist.

Piffer (2015)

Piffer (2015) found differing frequencies of cognition and IQ-enhancing genes in different racial populations:

https://gwern.net/doc/iq/2015-piffer.pdf

Wiki Crazyman (talk) 23:39, 13 May 2024 (UTC)

See Intelligence (journal) for some well-sourced commentary on the merits of that particular publication. AndyTheGrump (talk) 23:53, 13 May 2024 (UTC)
The criticism appears to be sourced to a journalistic piece in a progressive political magazine and another in a pop-sci magazine. 'Well-sourced commentary' such as this doesn't weigh heavily when it comes to a highly-regarded, peer-reviewed scientific journal. Elisha'o'Mine (talk) 01:42, 20 July 2024 (UTC)
'Highly regarded' went out the window when they had white supremacists on the editorial board. MrOllie (talk) 01:51, 20 July 2024 (UTC)
Even the two critical sources stated describe it as 'one of the most respected in its field' and 'a more respected psychology journal'.
If any experts in the field of intelligence research have made a case against the journal's reputation, then its reliability could be questioned. As it is we have mixed criticism from two journalists of a well regarded peer-reviewed publication. Elisha'o'Mine (talk) 02:11, 20 July 2024 (UTC)
Nah. We can discard a source without needing to meet your personal standard, which doesn't have any relation to Misplaced Pages's policies so far as I can tell. It is worth mentioning, though, that the SPLC (noted experts on racism) published an article that spends multiple paragraphs on this specific paper and how it shouldn't be used as a source. A sample quote: Piffer’s credentials, affiliations and the scientific merit of the paper itself are suspect - MrOllie (talk) 02:54, 20 July 2024 (UTC)
Based on which Wiki policy are you discarding it as a source? It's used several times in articles related to intelligence research.
Not than an advocacy organization's opinion really is of note when it comes to population genetics, I do note that these several SPLC paragraphs go into no more detail than to state that scientific merit of the paper itself are suspect (no reasons for this assessment or counterarguments given, at all), to question the author's credibility and to state that there are no reliable sources to dispute it. Which adds up to nothing in particular from an organisation with absolutely no standing in scientific matters. Elisha'o'Mine (talk) 03:38, 20 July 2024 (UTC)
If this Piffer article is used several times, please point those usages out specifically because those definitely need to be removed. MrOllie (talk) 04:10, 20 July 2024 (UTC)
As per my original comment and your response to it, I'm referring to the journal Intelligence. Which seems to have somehow achieved the status of a 'pick-and-choose' source.
The argument against mention of the Piffer paper, whether it's flawed research or not, requires something more than commentary from a civil rights organisation. Elisha'o'Mine (talk) 04:30, 20 July 2024 (UTC)
Contrary to what you might imagine, we rely on editor judgement for evaluating source reliability all the time, and Piffer is definitely a fringe source per our guideline. This would be ascertainable even without explicit debunking in a scholarly source. Some pseudo-scholars are too insignificant to draw that kind of attention. That said, here is a fine peer-reviewed source that explains in no uncertain terms what is so profoundly unscientific about Piffer's methodology. No matter how you squirm, you will get nowhere with this line of argumentation. Generalrelative (talk) 06:38, 20 July 2024 (UTC)
A preprint is not a fine peer-reviewed anything.
Our guideline places Piffer as a fringe source based on his conclusions, or is it his associations?
I'm aware that a past RFC prematurely declared the suggestion that genetics plays a role in population group IQ differences to be 'fringe' rather than merely minority. As RFCs aren't binding and consensus can change at any time, hopefully this will be rectified at some point. Though a consensus against it is emerging, the idea hasn't been conclusively refuted and research is ongoing. Elisha'o'Mine (talk) 08:10, 20 July 2024 (UTC)
The author of that paper is Kevin Bird. Kevin Bird also said: "The past isn't an indication of how the future behaves...I do science because I find it intellectually engaging, to be completely honest...I do it with not as much interest in attaining or discovering truth." He then said that he is "not interested in discovering truth". It is completely impossible to take a person like that seriously. And that paper's not peer reviewed. Hi! (talk) 05:38, 29 July 2024 (UTC)
Bird et al. has now been published by American Psychologist, the flagship journal of the American Psychological Association. It is no longer a preprint. As to your gotcha quote about "truth"... Dr. Tyree's philosophy class is right down the hall. Generalrelative (talk) 05:57, 29 July 2024 (UTC)
Thanks for the updated cite. But an Indiana Jones meme? What am I supposed to take away from that? Hi! (talk) 06:24, 29 July 2024 (UTC)
That your attempt to smear Bird is thoroughly unconvincing. Also see Misplaced Pages:Verifiability, not truth. MrOllie (talk) 12:20, 29 July 2024 (UTC)
The SPLC aren't experts on genetics, and they don't cite any scientific publications in their article to critique Piffer. The closest they come is citing a non-peer-reviewed book review of a book Piffer didn't write. Hi! (talk) 05:40, 29 July 2024 (UTC)
The SPLC may be experts on racism, but is there any evidence that they're experts on science? Wiki Crazyman (talk) 23:21, 25 August 2024 (UTC)
Correctly identifying racist pseudoscience is part of their expertise, yes. It's not like they're commenting on an article about astronomy. MrOllie (talk) 23:43, 25 August 2024 (UTC)
Pseudoscience is that which does not employ the scientific method. Neither the SPLC nor Bird have made such an extreme claim about the Piffer paper. Bird may have the expertise to critique the methodology employed, but anything of the sort is well beyond the SPLC's realm of expertise. Elisha'o'Mine (talk) 14:42, 9 September 2024 (UTC)
Please also read OpenPsych concerning the journal co-founded by Davide Piffer. NightHeron (talk) 23:57, 13 May 2024 (UTC)

Notification about Misplaced Pages:Articles_for_deletion/Ashkenazi_Jewish_intelligence_(3rd_nomination)

I posted already on WP:FTN, but would like more eyes on the discussion to provide more perspectives.

Also I tried editing the article, to give it more substance, but this is not my area of expertise. Please feel free to clean it up anyway you want. Bluethricecreamman (talk) 05:20, 31 July 2024 (UTC)

Test scores

The Test Scores section has a paragraph discussing disparities in academic achievement and math test scores in the UK, but surely those are a less reliable measurement of intelligence than general mental ability (GMA) tests, such as those discussed here? Is there any objection to replacing this paragraph with the results from this meta-analysis of GMA tests? Stonkaments (talk) 04:03, 3 August 2024 (UTC)

There is no reason to remove the current text or the sources used, but feel free to suggest additional text sourced to for discussion here to reach consensus. How to define intelligence and what's a less or more reliable way to measure it are controversial. Many believe that intelligence includes many disparate capacities and that there cannot be a numerical value that measures general intelligence.
Note that the reliability of your source is very questionable, since all three authors are closely associated with either Mankind Quarterly (see also Jan te Nijenhuis) or OpenPsych. NightHeron (talk) 06:39, 3 August 2024 (UTC)

References

  1. https://www.tandfonline.com/doi/epdf/10.1080/1359432X.2024.2377780?needAccess=true

Anyone around who can check recent edits for Richard Lynn?

Thanks. Doug Weller talk 13:00, 13 December 2024 (UTC)

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