Race-Based Science: Intelligence Is A Matter of Nature and Nurture

Science: IQ is largely race-based

Posted on June 7, 2013Hyperborea Rising

H/T  Hyperborea Rising

It is a fact: Egalitarians are science-denying lunatics that suffer from a mental disease. Intelligence is largely heritable and race-based. Scientists dismiss the idea that IQ tests are biased.

Brain volumes differ by race:

Moreover, volumetric MRI analysis also shows region-specific volume differences in the cerebellum, amygdala, and orbital frontal cortex between the African-Americans and Caucasians [4], and in the widespread frontal and temporal cortical regions, basal ganglia, and midbrain between Chinese and Caucasians [5].

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0047816

IQ difference are race-based and mostly genetic:

J. P. Rushton and A. R. Jensen (2005) review 10 bodies of evidence to support their argument that the long-standing, worldwide Black–White average differences in cognitive ability are more plausibly explained by their hereditarian (50% genetic causation) theory than by culture-only (0% genetic causation) theory. This commentary evaluates the relevance of their evidence, the overall strength of their case, the implications they draw for public policy, and the suggestion by some scholars that the nation is best served by telling benevolent lies about race and intelligence.

http://www.udel.edu/educ/gottfredson/reprints/2005hereditarian-hypothesis.pdf

Racial differences in IQ are significant:

The IQ debate became worldwide in scope when it was shown that East Asians scored higher on IQ tests than did Whites, both within the United States and in Asia, even though IQ tests were developed for use in the Euro American culture (Lynn, 1977, 1978, 1982; P. E. Vernon, 1979, 1982). Around the world, the average IQ for East Asians centers around 106; that for Whites, about 100; and that for Blacks, about 85 in the United States and 70 in sub-Saharan Africa. Most of the early research was conducted in the United States, but some was also performed in Canada and the Caribbean (Eysenck, 1971, 1984; Jensen, 1969, 1973; Osborne & McGurk, 1982; Shuey, 1958, 1966; cf. Flynn, 1980; Kamin, 1974; Lewontin, Rose, & Kamin, 1984). In the United States, 15% to 20% of the Black IQ distribution exceeds the White median IQ, so many Blacks obtain scores above the White average. This same order of mean group differences is also found on “culture-fair” tests and on reaction time tasks. Hundreds of studies on millions of people have confirmed the three-way racial pattern (Jensen, 1998b; Lynn & Vanhanen, 2002; Rushton, 2000).

Further, intelligence differences show themselves in early childhood:

Racial-group differences in IQ appear early. For example, the Black and the White 3-year-old children in the standardization sample of the Stanford–Binet IV show a 1 standard deviation mean difference after being matched on gender, birth order, and maternal education (Peoples, Fagan, & Drotar, 1995).

[…]

Black and the White 21⁄2- to 6-year-old children in the U.S. standardization sample of the Differential Aptitude Scale have a 1 standard deviation mean difference. No data are available for East Asian children at the youngest ages. On the Differential Aptitude Battery, by age 6, however, the average IQ of East Asian children is 107, compared with 103 for White children and 89 for Black children (Lynn, 1996). The size of the average Black–White difference does not change significantly over the developmental period from 3 years of age and beyond (see Jensen, 1974, 1998b).

http://psychology.uwo.ca/faculty/rushtonpdfs/pppl1.pdf

Criticisms of race-intelligence are largely because of political correctness:

Despite repeated claims to the contrary, there has been no narrowing of the 15- to 18-point average IQ difference between Blacks and Whites (1.1 standard deviations); the differences are as large today as they were when first measured nearly 100 years ago. They, and the concomitant difference in standard of living, level of education, and related phenomena, lie in factors that are largely heritable, not cultural. The IQ differences are attributable to differences in brain size more than to racism, stereotype threat, item selection on tests, and all the other suggestions given by the commentators. It is time to meet reality. It is time to stop committing the “moralistic fallacy” that good science must conform to approved outcomes.

http://www.udel.edu/educ/gottfredson/30years/Rushton-Jensen-reply-to-commentaries-on-30years.pdf

PC nonsense discredited:

I review Rushton’s research on the evolutionary divergence of the three major human lineages. His lifehistory theory predicts, and his multiple analyses document, a consistent three-way patterning of mean differences among blacks, whites, and East Asians on coevolved sets of morphological, physiological, developmental, psychological, and behavioral traits. I then analyze a typical example of how critics evaluate his work, including the rate at which they cast his scientific hypotheses, methods and conclusions in
politically charged language. The set of articles in question, although authored by well-known academics
and appearing in a major, peer-reviewed journal, illustrate how mob science works to ‘‘discredit’’ valid
research and enforce collective ignorance about entire bodies of evidence. Rushton is a scholar and gentleman
but it appears that his critics often act like neither.

http://www.udel.edu/educ/gottfredson/reprints/2012RaceandRushton.pdf

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2 Responses to Race-Based Science: Intelligence Is A Matter of Nature and Nurture

  1. Reblogged this on murderbymedia and commented:
    I.Q. is entirely race based. Optimal environment can enhance it by a few small points at most. Anyone who says otherwise is either a fool or a charlatan!

    • Hyperborean says:

      There is a certain amount of cultural wiggle room to improve or decrease IQ. However, it is mostly genetic and along racial lines.

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