As previously noted, J. Philippe Rushton has made the argument that the brain size of "Blacks" is about 1267 cc's, and for whites it is about 1347 CC's. It has also been noted that Rushton claims that the average IQ of Blacks is 85 and he average IQ of whites is 100. But does Rushton say that there is a link between the two?
Yes, explicitly so. In his widely distributed editions of Race, Evolution, and Behavior : A Life History Perspective (2nd Special Abridged Edition), Rushton makes the claim that the African IQ is 70, and that the reason that "Black" American IQ is 80 is because of the…
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