And it's highly likely that you're wrong, it has been established that lead for example affect afro Americans IQ: http://www.mdpi.com/1660-4601/14/12/1445 … So either it mainly genetic or not, it can't be 100%
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At least Kirkegaard acknowledge in his paper (after burying you under the usual HBD presentation) that his model is totally congruent with SES models. i should add if you don't take into account family wealth as a covariate your are dishonest.
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Bc it is well established that across income groups, blacks, native americans and latinos have lower wealth position (multply factors) compare to other groups. And in a country like the US it mean your neighborhood, school quality, maternal stress levels are wealth indicators.
End of conversation
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