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Originally Posted by highthief
I don't see why not - not everyone within the US lives the same way. Jews live (largely) in the US in cities. Many have special diets. Many Jews work in traditional occupations - finance, jewelry, law, medicine - which influence them and their children. Many Jews go to seperate schools. They observe many different cultural traditions. There are many factors, aside from genetics.
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Intelligence as measured by IQ is quite heritable. However, I agree with you that many ethnic differences are likely to be environmentally based. Some ethnic differences in general IQ scores do appear to be resistant to environmental intervention, but I would not discount the influence of cultural factors as well.
I wouldn't place a number like 99% on the overlap between groups. First, because the overlap is likely to differ depending on what is being measured. Second, in particular measurements, the overlap is demonstrably less, but I do think that many differences are more likely to be specific than general. (And those differences may be more interesting). Sex differences in cognitive abilities are specific rather than general (Men and women don't differ in IQ scores - General intelligence scores).
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So sweeping statements like "whites are smarter than blacks" or "blacks are better athletes than whites" are inaccurate.
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Agreed.
That was a wacky wiki entry. I have my doubts about the described evolutionary account of IQ differences between Askenazi Jews and "Whites".