IJE Advance Access originally published online on April 27, 2006
International Journal of Epidemiology 2006 35(3):525-527; doi:10.1093/ije/dyl064
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2006; all rights reserved.
Commentary |
Commentary: Heritability estimateslong past their sell-by date
Department of Biological Sciences, The Open University, Milton Keynes MK7 6AA, UK
E-mail: s.p.r.rose@open.ac.uk
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| Heritability then |
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It might seemit probably ispresumptuous for a neuroscientist to comment on a theoretical text in population genetics, especially when the paper in question is by one of the prominent figures in the field. However, it is relevant to recall the context in which Lewontin's 1974 article in The American Journal of Human Genetics1 appeared. Symbolized by the publication, in 1969, of Arthur Jensen's article: How much can we boost IQ and scholastic achievement?,2 there had been a resurgence of claims as to the heritability of human traits. Jensen had argued that, as IQ scores had a high heritability (
80%), it followed that the consistent difference in IQ scores between black and white citizens of the US was too great to be accounted for by environmental factors. Instead, he concluded, the on average lower IQ of | Heritability now |
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