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== On Lead Restore. Again. ==

KillerChihuahua's reason for removal of the lead the 4th time was that the lead wasn't international enough. But the lead can only reflect what is currently in the article. ] would not be a valid reason for removal. The debate of whether the article is US centric or not is irrelevant to the issue of lead restore. Per ], the lead is suppose to have a summary of major components of the article. Per ], the lead should have never been removed in the first place regardless of the "US centric" debate. So I would respectfully ask, is there a reason why the lead shouldn't be restored per ] and per ]? ] (]) 01:31, 28 February 2013 (UTC)
:If you want to cite PRESERVE, I can simply restore the old longstanding consensus version of the lead, and we can work forwards from that. I have no problem with that approach, but the last time I did that you pitched a fit. Why you feel it is so necessary to keep an entire paragraph which is based on only the US that you will continually edit war to keep it in? Do you think this is a US thing, and that elsewhere intelligence has no racial issues? If so, please provide diffs. ]] 17:41, 1 March 2013 (UTC)
::What would be the point of restoring back 2 years and reverting 2 years of work? I highly that you or anyone else would let me get away with such a tactic. Not to mention the IQ differences in the US is mentioned the same in the old lead as in the current one so the old lead is irrelevant here and doesn't even address your issue. The lead is suppose to have a summary of the body per ]. Do you agree with this or not?

::Actually you're edit warring to remove it. I'm going by ]. I have no idea what you're going by. Remember the last time the lead was restored, several editors were contributing to fixing up the current lead including YOU yourself as seen here.

::So after 20 edits to improve the lead by several editors including yourself, you come out of nowhere and just completely remove it here. . I've repeatedly requested if there's any reasons why the lead shouldn't be restored per ]. I've yet to get a response on this from anyone. The US centric debate above is irrelevant. Per ] and per ], the lead should be restored regardless of the outcome or conclusion of the US centric debate. There's been 20 edits to improve the lead by several editors that you reverted. The lead should be restored and improvements continued to be made. ] (]) 19:22, 1 March 2013 (UTC)

:BlackHades, why are you creating a new section when there's an ongoing discussion two sections up? Please reply up there (where my question to you is still unanswered) rather than creating yet another duplicate section. ] (]) 17:59, 1 March 2013 (UTC)
::Because as previously stated, the US centric debate is a separate debate. Whether the article is US centric or not would be irrelevant that the lead it suppose to have a summary of the body per ]. ] (]) 18:40, 1 March 2013 (UTC)
:::Then why did you repeat the same statement you made up there? ] (]) 19:28, 1 March 2013 (UTC)
::::Because I was responding to Atethnekos who stated that whether the article is US centric or not shouldn't have any bearing on the removal of relevant US content. But no one has responded to the issue raised by either Atethnekos or by me. That section has simply turned into whether the article as a whole is US centric without any mention of the lead or addressing any concerns raised by either Atethnekos or by me. The issue of lead restore is a separate debate. ] (]) 20:21, 1 March 2013 (UTC)
:::::We're starting to get sidetracked again. Are there any reasons that the lead shouldn't be restored per ] and per ]? I would like a direct response to this. ] (]) 00:32, 2 March 2013 (UTC)
::::::It's been 11 days. Looks like there isn't any. Please no false accusations of edit warring. I'm restoring now so we can all continue improving the lead as several editors were doing before the removal. ] (]) 05:29, 13 March 2013 (UTC)

== Hereditarian Position is Mainstream. ==

The argument that the hereditarian position, such as Jensen or Rushton, is "non-mainstream", "fringe", "not relevant" seems to be inserted ad nauseam by some and then used to justify removing or omitting relevant hereditarian content from the article. This is to put to rest once and for all that the hereditarian position <b>IS</b> a significant and mainstream view in the field. That countless independent reliable secondary sources have cited Snyderman/Rothman and affirmed the validity of the survey. That the hereditary viewpoint isn't a "small circle of social scientists" but actually very mainstream and arguably the majority according to countless secondary sources. I respectfully request editors to not beat this dead horse any further. This section should be bookmarked for future reference, for when inevitably, the next person erroneously makes the claim the hereditarian position is "fringe" and attempts to remove relevant content that meets ].

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“An overwhelming majority also believe that individual genetic inheritance contributes to variations in IQ within the white community, and a smaller majority express the same view about the black-white and SES differences in IQ. While the private consensus among IQ experts has shifted to meet Jensen's “controversial” views, the public impression of their views has not moved at all.” <br><br>

Gottfredson, Linda S. "Egalitarian fiction and collective fraud." Society 31.3 (1994): 53-59. </blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">"It should also be mentioned that Rushton has had substantial success and influence in the discipline; he himself reported that 52% of scientists believed that the Black–White IQ difference was partly genetic (Rushton 1999: 102). He was referring to a study by Snyderman and Rothman (1987), published in one of the leading journals of the discipline (American Psychologist), in which it was reported that the majority of psychologists and educational experts in intelligence testing ‘‘feel’’ (137) that the Black–White difference in IQ is partially heritable. Although this American Psychologist study is more than 20 years old, it appears that Rushton’s work has received a certain degree of credibility in psychology based on the fact that he uses empirical methods and is quick to employ the latest technologies in his research."<br><br>

Teo, Thomas. "Empirical Race Psychology and the Hermeneutics of Epistemological Violence." Human Studies 34.3 (2011): 237-255. </blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Many experts also think that genetic differences are at least partially to blame for existing Black -White differences in academic achievement. Snyderman and Rothman (as cited in Miller, 1995) discussed a 1984 survey that questioned 1,020 experts on intelligence, most of whom were professors and university-based researchers who study testing, psychology, and education. As Miller (1995) reported, almost half (46%) expressed the opinion that Black-White differences in intelligence are at least partially genetic. Of the others, 15% said that only environment was responsible, 24% regarded the available evidence as insufficient, and 14 did not answer the question (Miller, 1995, pp. 186-187). In other words, only 15% clearly disagreed. With expert opinion slanted so strongly in favor of the genetic hypothesis and widespread media attention to books such as The Bell Curve, there is little prospect that “rumors of inferiority” will cease or that racial differences in estimated potential will disappear.”<br><br>

Ferguson, Ronald F. "Teachers' perceptions and expectations and the black-white test score gap." Urban Education 38.4 (2003): 460-507. </blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Jensen’s view, as it happens, is more mainstream than Nisbett’s. Roughly two thirds of those responding to the Snyderman survey identified themselves as liberals. Yet 53 percent agreed that the black-white gap involves genetic as well as environ­mental factors.”<br><br>

Cowley, Geoffrey. "Testing the science of intelligence." Newsweek 24 (1994): 56-60.</blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Some believe that there is a public agreement that genes are not appropriate for explaining ability differences between groups. A closer look reveals within science the contrary view: In an older opinion poll among N= 1020 experts (Snyderman & Rothman, 1987) 15% believed that only environment is relevant for Black-White IQ-differences, but 45% believed that environment and genes are relevant. . Of course, majority opinion is no criterion for truth. Furthermore, a recently published textbook from a researcher well known for his lack of enthusiasm for genetic explanations of group differences stressed the possibility of genetic factors: ‘‘Rushton and Jensen (and Lynn) are correct in saying that the 100% environmental hypothesis cannot be maintained. Nisbett’s extreme statement has virtually no chance of being true.”<br><br>

Rindermann, Heiner. "African cognitive ability: Research, results, divergences and recommendations." Personality and Individual Differences (2012).</blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“In 1988 Stanley Rothman and Mark Snyderman published The IQ Controversy, the Media and Public Policy . Using data from their survey of over 1000 scholars in fields familiar with IQ testing, such as psychology, sociology, and behavioral genetics , Rothman and Snyderman took a quantitative look at media coverage of IQ and demonstrated how this media coverage habitually diverged with
mainstream scholarly opinion. First, the popular assertion of widespread chaos within science over intelligence measurement is false. This has been demonstrated, apart from the evidence of the literature itself, by a survey of scientists showing broad scholarly consensus , by a jury of scholars organized by the American Psychological Association to summarize basic agreements in the field.”<br><br>

Malloy, Jason. "James Watson tells the inconvenient truth: Faces the consequences." Medical Hypotheses 70.6 (2008): 1081-1091.</blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“There is no real dispute that races differ in measured intelligence, and not much dispute among experts on intelligence that the difference is real in the sense that it is reflected in unequal school and job performance. There is more debate as to what causes it. Even in the 1980's the experts were divided three to one in favor of explaning for black/white differences in IQ by both genetic and environmental causes.”<br><br>

Miller, Edward M. "Eugenics: economics for the long run." Research in biopolitics 5 (1997): 391-416.</blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Mario Bunge suggests that hereditarianism about racial differences in intelligence
is charlatanism, not science. He says that Jensen's hypothesis that the lower IQ of blacks
is partly due to genetic factors "was unanimously rejected by the scientific community."
(Bunge 1996, 106) In actuality, according to the poll of experts in the relevant fields,
of all the scientists who felt qualified to express a view on that issue, 53% agreed with
Jensen”<br><br>

Sesardic, Neven. "Philosophy of science that ignores science: Race, IQ and heritability." Philosophy of Science (2000): 580-602. </blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Now, however, the role of inheritance in behavior has become widely accepted, even for sensitive
domains such as IQ (Snyderman and Rothman, 1988).”<br><br>

Plomin, Robert, Gerald E. McClearn, and Grazyna Gora-Maslak. "Quantitative trait loci and psychopharmacology: response to commentaries." Journal of Psychopharmacology 5.1 (1991): 23-28.</blockquote>

<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">“Many experts in the field (Snyderman & Rothman, 1988) agree with Herrnstein and Murray when they state that "it seems highly likely to us that both genes and the environment have something to do with racial differences.”<br><br>

Bouchard, T. J., and D. D. Dorfman. "Two views of the bell curve."Contemporary Psychology 40.5 (1995).</blockquote>
] (]) 06:11, 1 March 2013 (UTC)

:I don't even know how to respond to this. You're misuse of sources here is beyond the pale. You've got gaggle of 20 year old articles and op-eds, many of them primary sources, many of them from proponents of Rushton's theories, many don't mention the hereditarian viewpoint, some of them don't even discuss race. Do you really expect people to still take you seriously? ] (]) 08:17, 1 March 2013 (UTC)
:Why don't you pick the one source that you think is the most reliable, most independent source, which makes the most solid case that the hereditarian viewpoint is mainstream. I'm willing to wager there isn't a single meaningful source in the lot here. ] (]) 08:25, 1 March 2013 (UTC)
::I don't even know how to respond to this. Your ignoring of sources here is beyond the pale. I've got several sources listed from major journals, many of them secondary sources, many of them from the mainstream, many that mention that Jensen's viewpoint is the majority mainstream viewpoint, a lot of them discuss race. Do you really expect people to still take you seriously? ] (]) 19:31, 1 March 2013 (UTC)
:::You could respond by offering up the source which you think is the highest quality. Which one is it? One of the editorials? ] (]) 21:13, 1 March 2013 (UTC)
::::They're not all editorials. Several are peer reviewed studies. All of them are secondary sources for Snyderman & Rothman and all of them meets ]. It's also odd that you want to dismiss editorials when so much content in this article is devoted to primary source editorials, op-eds, etc for the environmental position. Such as Nisbett. Given that you want to dismiss editorials, op-eds, etc would it be okay with you if I remove all the content in the article related to the primary source of Nisbett? Who is definitely not mainstream and who's viewpoint has been labeled by Hunt & Carlson as extreme. Or are editorials, op-eds, etc only relevant if it supports the environmental view? ] (]) 00:27, 2 March 2013 (UTC)
:::::Are you seriously suggesting that Nisbett's book is an editorial? Really? I've repeated held up Hunt/Carlson as a high quality secondary source. I've never held up Nisbett's book as such. You still haven't said which source you think makes the case the best. ] (]) 01:07, 2 March 2013 (UTC)
::::::I'm talking about Nisbett's commentary on Rushton/Jensen in APA. There's also a lot of other environmental content other than Nisbett in this article based on editorials, op-eds, letters to editors, etc. I also have many more secondary sources of Snyderman/Rothman from books if you consider those more relevant. Asking me to name one is a pointless request as they all meet ]. ] (]) 01:41, 2 March 2013 (UTC)

Well, it's useful to know that (as I suspected) people are using the same terms to mean different things. Since it seems to mean different things to different people, can we stop using imprecisely defined terms like "hereditarian" without qualification? ] (]) 14:15, 1 March 2013 (UTC)

:And why do we really put so much weight on what psychologists things about the nature of gene-environment interactions? Circa 1985 you might have been able to talk about "genetic effects" without needing to prove anything, but with the rise of quantitative genetics in the 90s and genomics in the last decade, you can't any more. These days you're expected to deposit sequences in ] when you talk about genes. ] (]) 14:22, 1 March 2013 (UTC)
::And rightly so, too. Before modern genetics, which is a very recent development, those who spoke of race and heritability were largely guessing. We should weight sources accordingly; more recent ones which use modern genetic science far outweigh older ones which do not. ]] 17:45, 1 March 2013 (UTC)
:::Because the research of Race and Intelligence are overwhelmingly done by psychologists. Whether it is from a genetic or environmental perspective. The vast majority of ] on this issue are by psychologists. I would say over 90%+ of the references in this article is cited to psychologists in the field. ] (]) 19:50, 1 March 2013 (UTC)
::::So you're saying that >90% of the sources in this article don't have the requisite qualifications to speak to the issue of genetics. That creates a potential problem, does it not? ] (]) 19:12, 2 March 2013 (UTC)

===sources do not support mainstream claim===

I've reviewed each of the quotes supplied, and the body of several of the sources.
What we have here is a clear case of editor synthesis. Three of the sources are editoral/polemic in
nature, and cannot be used to support content outside what the authors think. The rest of the
sources do ''not'' equate the hereditarian viewpoint, as espoused by Rushton/Jensen, et. al., as
being mainstream. Instead, they echo the viewpoint that both environment and genetics are factors
that most consider relevant. This viewpoint is more robustly supported by higher quality secondary
sources, and is not an issue which is in dispute. What is in dispute is the imporper claim that
"hereditarianism is mainstream". None of these sources can be used to support that claim. In fact,
there are many sources which explicity identify the views of Rushton/Jensen et. al. as being far
outside the mainstream.

<blockquote class="toccolours" style="background:#B4ECBA; float:none; margin-left:2em; display:table;">
* ''Gottfredson, Linda S. "Egalitarian fiction and collective fraud." Society 31.3 (1994): 53-59.''

This is a polemic work by one of the leading proponents of the hereditarian view. This is certainly
not an independent sources, and as a polemic can only be reliably used to represent Gottfredson's
own views. She also misrepresents the survy which did not equate genetic contribution, with the
more extreme views of Jensen.

* ''Teo, Thomas. "Empirical Race Psychology and the Hermeneutics of Epistemological Violence." Human
Studies 34.3 (2011): 237-255.''

This source is just quoting Rushton's support for the survey without any independent synthesis from
the secondary source. This source can only be used to establish that Rushton thought that the
survey vindicated his view.

* ''Ferguson, Ronald F. "Teachers' perceptions and expectations and the black-white test score gap."
Urban Education 38.4 (2003): 460-507.''

This source does not mention the hereditarian viewpoint at all. Using this source to establish that
is a clear example of ].

* ''Cowley, Geoffrey. "Testing the science of intelligence." Newsweek 24 (1994): 56-60.''

While this is a good source, it establishes that Jensen's view is ''more mainstream'' than Nisbett's.
It does not say that Jensen's view is mainstream. That is again an example of ]

* ''Rindermann, Heiner. "African cognitive ability: Research, results, divergences and
recommendations." Personality and Individual Differences (2012).''

This source likewise cannot be used to support your mainstream claims. However, it does support the
fact that the 100% environmental position is not mainstream, which is a different thing.

* ''Malloy, Jason. "James Watson tells the inconvenient truth: Faces the consequences." Medical
Hypotheses 70.6 (2008): 1081-1091.''

This is an editoria, and cannot be used for anything beyond establishing Malloy's view.

* ''Miller, Edward M. "Eugenics: economics for the long run." Research in biopolitics 5 (1997):
391-416.''

This source does not reference the hereditarian viewpoint at all, and does not support your claim.

* ''Sesardic, Neven. "Philosophy of science that ignores science: Race, IQ and heritability."
Philosophy of Science (2000): 580-602.''

This is an advocate of the hereditarian hypothesis using the poll to support his own views. And
even he doesn't say that Jensen's view is mainstream. This footnote cannot be used to establish
that the hereditarian view is mainstream.

* ''Plomin, Robert, Gerald E. McClearn, and Grazyna Gora-Maslak. "Quantitative trait loci and
psychopharmacology: response to commentaries." Journal of Psychopharmacology 5.1 (1991): 23-28.''

Again we have a source which makes no mention of the hereditarian viewpoints of Rushton/Jensen.

* ''Bouchard, T. J., and D. D. Dorfman. "Two views of the bell curve."Contemporary Psychology 40.5 (1995).''

Again, we have no statement that the views of Rushton/Jensen are mainstream. What we do
have is a statement that both genetic and environmental factors "have something to do with racial
differences."
</blockquote>

Given that the survey is over two decades old in an area of study that has changed radically over
that time, the survey is primarily of historical significance. And even then, it's role has been
broadly relegated to two roles (A) establishing that both genetics and environment are relevant, something which high quality secondary sources agree upon, and
(B) that hereditarians have used it to vindicate their views. ] (]) 18:24, 2 March 2013 (UTC)
:]. You conveniently skip and ignore text that refutes and invalidates your points. You also previously agreed with using Nisbett as a source and called him a "well respected scientist" as shown here. Given that you have now acknowledged that Jensen is more mainstream than Nisbett, it's axiomatic that Jensen should be given more weight than Nisbett. ] (]) 19:25, 2 March 2013 (UTC)

::* ''You conveniently skip and ignore text that refutes and invalidates your points'' Which text from which source was that?
::* ''You also previously agreed with using Nisbett as a source ...'' I've also agreed with using Rushton/Jensen as a source
::* ''and called him a "well respected scientist" as shown here.'' This is what I wrote, and I stand by it:
::* ''Given that you have now acknowledged that Jensen is more mainstream than Nisbett, it's axiomatic that Jensen should be given more weight than Nisbett.'' He already is.
:: As explained here: '''' I fully support sourcing the article content to other high quality sources. Cheers. ] (]) 19:33, 2 March 2013 (UTC)

This whole argument is a mess. Before we continue yelling at each other, we need to figure out what we mean by various terms. I'm no expert on the wars among schools of thought in the social sciences. The ] article says that hereditarians '''''have explicitly abandoned the standard social science model'''''. Is this true? If so, it seems strange that they would be considered mainstream within the social sciences. Are they considered mainstream within the life sciences? It seems rather odd that we biologists would defer to psychologists on this topic. The idea that you can assert genetic cause without genetic data would be laughed at by most biologists. So: mainstream in educational psychology? Mainstream in neurobiology? Or mainstream in some narrow subfield that calls itself "intelligence" research? The second question involves making a leap from "hereditarian" to the Rushton-Jensen-Lynn group. It's one thing to say that there's a "significant" impact of genetics on intelligence (which is, of course, not the same as saying that intelligence is heritable). It's quite another to believe that there's a difference ''based on race'', and quite something else to believe that this difference has been demonstrated.<p>When we say "mainstream" we need to be careful what we're saying. When we say "hereditarian" we need to make sure that we aren't conflating a whole host of ideas. And when we're talking about race, we need to make sure that we aren't conflating different ideas. ] (]) 19:12, 2 March 2013 (UTC)
:The ] appears to be a label made up by opponents of the "model", not a model social scientists positively adhere too. Steven Pinker seems to be among those who have argued against the alleged model in the ]. With regards, ] (]) 21:34, 2 March 2013 (UTC)

: The sources mentioned for the extraordinary claim in the heading of this section are neither the most current nor the most authoritative on the issue, especially in light of standard Misplaced Pages policy of preferring reliable secondary sources for all articles, and especially preferring ] for issues that have medical implications. -- ] (], ]) 21:19, 26 March 2013 (UTC)

== Misrepresentation of sources ==

I tagged Snyderman and Rothman (1987) with {{tlx|fv}} as a source for Snyderman and Rothman (1988) because (a) it makes no mention of S&R (1988), and (b) because it makes no mention of "liberal bias in the media". In BlackHades removes {{tlx|fv}} from Snyderman and Rothman (1987), and added Rindermann (2012). To begin with, adding Rindermann doesn't change the fact that S&R fails to support the statements attributed to it, so it was inappropriate to remove the tag. But it gets worse: Rindermann does not cite S&R 1988, they cite S&R 1987, so it's no better a source. When I reverted that edit, BlackHades AGAIN the {{tlx|fv}} from S&R 1987, and added Eysenck (1994). But Eysenck references S&R 1988, he doesn't say a word about the survey, and while he mentions "bias" in the media, he says nothing about "liberal media bias". In a s/he added a reference to Herrnstein & Murray and mentions pp. 295-296 in the edit summary. I don't have access to that source at present, but given BH's history of misusing sources just here, in these few edits, this edit also needs independent verification.<p>I'm shocked that anyone would engage in such blatant misuse of sources. I don't think we should have to tolerate this sort of behaviour. ] (]) 20:00, 2 March 2013 (UTC)
::You've got to be kidding me... You are edit warring to include an unnecessary tag. First, there is nothing wrong with simply citing the primary source here. This has already been explained to you earlier by The Devil's Advocate.

::"What you cite is describing the policy on original research, which does permit the use of primary sources and the case page actually supports this as well. It is interpretation and analysis of those sources that is not permitted. Describing what a primary source states is well within the bounds of policy."--The Devil's Advoate

::Secondly, if there's something not supported by the source, then just remove what isn't supported. Adjust the text instead of putting unnecessary tags. What specifically are you saying is unsupported? You never made this clear. The liberal bias aspect? Then just remove it. It's not that hard. If you don't have access to a source, why couldn't you just ask? Here is "The Bell Curve" pg 295-296:

:<blockquote class="toccolours" style="background:PowderBlue; float:none; margin-left:2em; display:table;">This brings us to the flashpoint of intelligence as a public topic: the question of genetic differences between the races. Expert opinion, when it is expressed at all, diverges widely. In the 1980s, Mark Snyderman and Stanley Rothman, a psychologist and a political scientist, respectively, sent a questionnaire to a broad sample of 1,020 scholars, mostly academicians, whose specialties give them reason to be knowledgeable about IQ. (Snyderman & Rothman 1988) Among the other questions, they asked "Which of the following best characterizes your opinion of the heritability of the black-white differences in IQ?" (emphasis in the questionnaire item). The answers were divided as follows:<br><br> -The difference is entirely due to environmental variation: 15 percent<br>-The difference is entirely due to genetic variation: 1 percent<br>-The difference is a product of both genetic and environmental variation: 45 percent.<br>-The data are insufficient to support any reasonable opinion: 24 percent<br>-No response: 14 percent<br><br> "Herrnstein, R. J., & Murray, C. A. (1994). The bell curve: Intelligence and class structure in American life. Free Press. pg 295-296</blockquote>
::] (]) 21:40, 2 March 2013 (UTC)
:::I just removed the "liberal bias" text. If this was what you were disputing then you should have made that clear. I sincerely hope this matter is concluded now. ] (]) 21:54, 2 March 2013 (UTC)

::::Dude - you're proven the kind of person you are. You're willing to make claims about sources that are OUTRIGHT falsehoods. Not once, but repeatedly. I tagged the source, and you removed the tag, which amounts to making a false claim about its content. Then you added a second source, falsely implying it supported the text. When I removed that source and restored the tag on the first source you AGAIN de-tagged the source (third misrepresentation of the source), and then added another source which did not support the claim. That's FOUR times, in one short span of editing, that you made false claims about sources. The pattern of your editing is well established...NOTHING you say can be trusted. I don't think any of use should have to deal with people like that. ] (]) 23:27, 2 March 2013 (UTC)
::::::This is your 2nd frivolous section on talk you've created on me now. This amounts to harassment at this point. You make assertions without even checking sources I list. For example, making a blind assumption that Herrnstein and Murray source wasn't supportive without even bothering to check. You don't even make it clear what you're asking for. If you had a problem with the "liberal bias" text, you should have specifically stated so. Unnecessary tagging is ]. Such as tagging <i>"The review article "Thirty Years of Research on Race Differences in Cognitive Ability" by Rushton and Jensen was published in 2005."</i> Why on Earth would you tag this? You're actually looking for a secondary source on this? To validate what? That a publication exists that was printed in 2005 called "Thirty Years of Research on Race Differences in Cognitive Ability"? Proper use of primary source is allowed. Note that you conveniently don't bother tagging any environmental text that is cited to primary sources. Apparently you thought all of those are perfectly okay. The better question is why should any of us have to deal with such blatant disruptive editing. ] (]) 08:42, 3 March 2013 (UTC)
:::::::: BlackHades, correct use of tags and discussion of improper removal of same and misuse of sources is not harassment by any stretch of the imagination. Please see ]. Given that you have recently come off a block for what amounts to a form of harassment (''frivolous SPI report'' is what was noted in the block) it rather astonishes me that you would so casually throw the accusation at an editor for bringing up concerns which involve our ]. Attacking Guettarda does not obviate his concerns, nor does it render the "sources" used adequate for the content. Either work with others to rewrite the content to match the sources (best), find better sources (might be problematic), or withdraw your position. Don't think that personally attacking another editor will deflect attention from the content and sourcing issues. ]] 17:01, 6 March 2013 (UTC)
:This whole discussion, in my opinion, has spiraled out of control away from AGF for no good reason. A perfectly reasonable interpretation: Guettarda could find no explicit mention of a "liberal" bias in the sources and rightfully tagged. BlackHades, working from a particular point of view (as everyone does), understood the "bias" being discussed in the sources as being a liberal one, and so saw no issue with that particular claim. Guettarda's tags and edit comments do not say what exactly in the paragraph is disputed, and BlackHades thought it was something other than the "liberal" bit, so kept putting on references to the survey (BTW, Eysenck 1994 does mention, on p.66, the survey discussed in S&R 1988). The solution is for those including claims to stick as closely to the sources as possible within reason and for those disputing claims to be as specific as possible within reason.

:Finally, Killer, w/r/t your recent edit, the survey was given to over 1000, but had only 600 respondents.--<font face="georgia">]&nbsp;</font><font face="georgia" size="1">(],&nbsp;])</font> 21:11, 6 March 2013 (UTC)

: I have read all those sources, and have a photocopy of the shorter Snyderman and Rothman source at hand. That source is often relied on to say things it actually doesn't see in edits of Misplaced Pages articles, and all edits that cite it should be examined very carefully. -- ] (], ]) 21:15, 26 March 2013 (UTC)

== Original synthesis ==

The new content just added by Dbate1 looks like ]. Most or all of the sources for it are about IQ in general, but don't talk about racial IQ gaps. They also all are primary sources. If there is a secondary source that makes these points, then the points can be added to the article cited to that secondary source, but editors aren't allowed to construct their own conclusion from multiple primary sources and add it to the article. ] (]) 10:41, 26 March 2013 (UTC)

:All good points, and ones which affect both that specific subsection, the section as a whole, and the entire article. Reviewing the specific content, it probably is better suited to ]. That said, that article should probably be presented in ] style in this article. ] (]) 16:24, 26 March 2013 (UTC)

:Agreed. I have read the article, and have discussed it among researchers who are members of the Behavior Genetics Association, and the recent edits do not well represent the best considered view found in reliable secondary sources. -- ] (], ]) 21:13, 26 March 2013 (UTC)
::If we agree the content he added is original synthesis, someone should remove it. I would do it myself, but the article is set so only people registered a certain amount of time can edit it. ] (]) 22:31, 26 March 2013 (UTC)

:::When I have time to go over the sources, I'll be happy to update the article. In the meantime, you might consider opening a dialogue on that editors user page. ] (]) 22:39, 26 March 2013 (UTC)

::::We seem agreed this content is original synthesis, so I removed it.

::::Aprock: you were diligent about removing pro-hereditarian material that you thought was sub-standard when we were talking about the brain size and evolutionary theories sections, but you aren't making as much effort to remove original synthesis when it favors the opposite perspective. Why is that? If it is because you personally prefer the 100% environmental hypothesis, I should remind you that policies like "no original synthesis" apply to ANY content, whether you agree or disagree with it. ] (]) 02:43, 31 March 2013 (UTC)

:::::If you think there has been a problem with my edits please raise them on my talk page, or at the appropriate noticeboard. This talk page is for discussing the article. ] (]) 14:51, 31 March 2013 (UTC)


== Piffer (2015) ==
::::Dbate1: The moderators have been contacted. The presented data was found to be in conformance with WP:SYNTH guidelines. Future alterations should be addressed to the appropriate moderators of the page to avoid banning or suspension. ] (]) 02:01, 1 April 2013 (UTC)
Piffer (2015) found differing frequencies of cognition and IQ-enhancing genes in different racial populations:


https://gwern.net/doc/iq/2015-piffer.pdf
:::::The moderators have not been contacted. (I assume you mean arbitrators, Misplaced Pages does not have people called moderators.) The place to request their intervention or ask them to ban someone is ], and anyone who looks can see you didn't post anything there. If you think this matter requires their intervention, I encourage you to raise it there. I also think these articles would benefit from arbitration, although probably not for the same reason you do.


] (]) 23:39, 13 May 2024 (UTC)
:::::If you don't want to request arbitration, you must explain why the content you added does not violate ]. No one else agrees with you that it doesn't. ] (]) 07:48, 1 April 2013 (UTC)


:See ] for some well-sourced commentary on the merits of that particular publication. ] (]) 23:53, 13 May 2024 (UTC)
== Genetic arguments ==
::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)
:::'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 ] ==
The section on genetic arguments is missing some key lines of reasoning. One, for example, is that the mean differences correlate with heritability estimates. This is found with structural equation modeling:


I posted already on ], but would like more eyes on the discussion to provide more perspectives.
''Probably the most rigorous methodology presently available to test the default hypothesis is the application of structural equation modeling to what is termed the biometric decomposition of a phenotypic mean difference into its genetic and environmental components. This methodology is an extraordinarily complex set of mathematical and statistical procedures, an adequate explanation of which is beyond the scope of this book, but for which detailed explanations are available. It is essentially a multiple regression technique that can be used to statistically test the differences in “goodness-of-fit” between alternative models, such as whether (1) a phenotypic mean difference between groups consists of a linear combination of the same genetic (G) and environmental (E) factors that contribute to individual differences within the groups, or (2) the group difference is attributable to some additional factor (an unknown Factor X) that contributes to variance between groups but not to variance within groups.... (Jensen, A. R. (1998). The g factor: The science of mental ability. Westport, CT: Praeger.)''


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)
When directly correlating mean differences and genetic loadings:


== Test scores ==
''I had demonstrated in my research of the 1970s that mean Black–White differences in IQ were more pronounced on the more heritable, less cultural subtests. For example, Jensen (1973) cited a study by Nichols (1972) which found a correlation of r = .67 (p < .05) between the heritabilities of 13 tests estimated from twins and the magnitude of the Black–White differences on the same tests. I further demonstrated an inverse relation of r = .70 (p < .01) between the environmentality (the converse of heritability, that is, the percentage of variance that can be attributed to nongenetic factors) for 16 tests estimated from differences between siblings and the mean White–Black differences (Jensen, 1973)…


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)
Strong inference is possible: (1) genetic theory predicts a positive association between heritability and group differences; (2) culture theory predicts a positive association between environmentality and group differences; (3) nature + nurture models predict both genetic and environmental contributions to group differences; while (4) culture-only theories predict a zero relationship between heritability and group differences. These results provide strong and reliable corroboration of the hypothesis that the cause of group differences is the same as the cause of individual differences, that is, about 50% genetic and 50% environmental (Rushton & Jensen, 2005, 2010) (Jensen, A. R. (2012). Rushton’s contributions to the study of mental ability. Personality and Individual Differences.)''
: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}}
And when correlating mean differences with g-loadings:


== Anyone around who can check recent edits for Richard Lynn? ==
''In this study we collected the complete empirical literature and conducted a meta-analysis. The findings clearly show that the true correlation between mean group differences and g loadings is strong: a correlation of .71 based on the Wechsler tests as a reference for the restriction of range correction and a correlation of .91 when the Dutch GATB was taken as a reference. Probably the GATB is a better reference, as its variance in g loadings is closer to the variance in g loadings from a theoretically optimal test battery, measuring all broad abilities of Carroll’s (1993) model. Also, the correlations between group differences and g loadings do not differ by group; some out comes are even virtually identical…….Recent psychometric meta-analyses have clearly shown that g loadings correlate highly with measures of heritability. te Nijenhuis and Grimen (2007) show that g loadings of subtests correlate perfectly with these subtests’ heritability coefficients. Moreover, te Nijenhuis and Franssen (2010) show that inbreeding depression correlates .85 with g loadings. This strongly suggests that g loadings and heritability coefficients may be interchangeable. This in turn suggests that the high correlation between g loadings and group differences could imply that mean group differences have a substantial genetic component. However, this is not necessarily the case, as the score patterns of biological factors, such as better nutrition and better health care for pregnant women, may mimic the score pattern of the heritability coefficient. At the present, these effects are impossible to disentangle, as all the available research is correlational and not experimental…. (Dragt, J. (2010). Causes of group differences studied with the method of correlated vectors: A psychometric meta-analysis of Spearman’s hypothesis.)''


Thanks. ] ] 13:00, 13 December 2024 (UTC)
(The argument here isn't that the found correlations prove that the differences are genetic but that they are consistent with a genetic hypothesis and not obviously consistent with an environmental hypothesis and so provide grounds for making an inference. Now, this line of evidence has been frequently cited and discussed, so it is odd that it is not included. Instead, there is a section on Spearman's hypothesis (SH). But SH isn't about genes, it's about phenotype. SH is that the black-white (and other) gaps are largely in general intelligence. This is out of place here. The argument for genes is: the size of the gap varies with the genetic loading of tests.


== Genome-wide association study recent changes ==
So, if no one has any objections, I will rewrite the Spearman's hypothesis subsection. If you have any objections let me know.--] (]) 13:29, 29 March 2013 (UTC)


Editors who follow this page will probably take an interest in recent edits over at ]. ] (]) 21:46, 8 January 2025 (UTC)
:The proper way to present that section is using ] style. If you think there are specific aspects of that topic that are missing from ], then the place to start is with that article, not with this article. ] (]) 13:52, 29 March 2013 (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 12,777
Intelligence and IQ 3,402 3,402
Race 9,350 9,350
Group differences 2,017 11,749
Test scores 6,620 6,620
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 147,891 147,891

? 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:

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)

Genome-wide association study recent changes

Editors who follow this page will probably take an interest in recent edits over at Genome-wide association study. MrOllie (talk) 21:46, 8 January 2025 (UTC)

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