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  2. Race and intelligence - Wikipedia

    en.wikipedia.org/wiki/Race_and_intelligence

    More recent research attempting to identify genetic loci associated with individual-level differences in IQ has yielded promising results, which led the editorial board of Nature to issue a statement differentiating this research from the "racist" pseudoscience which it acknowledged has dogged intelligence research since its inception. [151]

  3. Minnesota Transracial Adoption Study - Wikipedia

    en.wikipedia.org/wiki/Minnesota_Transracial...

    On measures of cognitive ability (IQ tests) and school performance, black children in the U.S. have performed worse than white children. At the time of the study, the gap in average performance between the two groups of children was approximately one standard deviation, which is equivalent to about 15 IQ points or 4 grade levels at high school graduation.

  4. History of the race and intelligence controversy - Wikipedia

    en.wikipedia.org/wiki/History_of_the_race_and...

    A section in IQ and human intelligence (1998) by Nicholas Mackintosh discussed ethnic groups and Race and intelligence: separating science from myth (2002) edited by Jefferson Fish presented further commentary on The Bell Curve by anthropologists, psychologists, sociologists, historians, biologists and statisticians. [154]

  5. The Bell Curve - Wikipedia

    en.wikipedia.org/wiki/The_Bell_Curve

    The Bell Curve: Intelligence and Class Structure in American Life is a 1994 book by the psychologist Richard J. Herrnstein and the political scientist Charles Murray in which the authors argue that human intelligence is substantially influenced by both inherited and environmental factors and that it is a better predictor of many personal outcomes, including financial income, job performance ...

  6. Eyferth study - Wikipedia

    en.wikipedia.org/wiki/Eyferth_study

    Stressing the similarity of average IQ scores across racial groups in the Eyferth study, James Flynn, Richard E. Nisbett, Nathan Brody, and others have interpreted it as supporting the notion that IQ differences between whites and blacks observed in many other studies are mostly or wholly cultural or environmental in origin. [10]

  7. IQ classification - Wikipedia

    en.wikipedia.org/wiki/IQ_classification

    [31] [32] Not all report test results as "IQ", but most now report a standard score with a mean score level of 100. When a test-taker scores higher or lower than the median score, the score is indicated as 15 standard score points higher or lower for each standard deviation difference higher or lower in the test-taker's performance on the test ...

  8. Race Differences in Intelligence (book) - Wikipedia

    en.wikipedia.org/wiki/Race_Differences_in...

    Eyferth reported an average IQ of 96.5 for the mixed race children and of 97.2 for the whites. Lynn reduces the former number to 94 to compensate for use of an old test, and compares it, not with the score of the white sample, but with an average IQ of 100 for German children.

  9. How Much Can We Boost IQ and Scholastic Achievement?

    en.wikipedia.org/wiki/How_Much_Can_We_Boost_IQ...

    "How Much Can We Boost IQ and Achievement?" is a 1969 article by Arthur Jensen published in the Harvard Educational Review. [1] Controversy over the article led to the coining of the term Jensenism , [ 2 ] defined as the theory that IQ is largely determined by genes, including racial heritage. [ 3 ]