1895[evol-psych] Re: Iq" genetic or environmental?
- Dec 4, 1999Irwin Silverman wrote:
>Even if there was a large enough sample there is an additional problem.
> Regarding your last point, I have argued also that traits under
> high selection pressure (directional selection in any case) will show less
> heritability. (see my paper on r/k theory in Ethology and Sociobiology,
> 1992), maintaining that the high heritability figures for I.Q. reflect, if
> anything, the lesser influence of the attributes measured by I.Q. tests in
> hominid evolution. But again, I do not see that this bears on the
If I=G+E is used when the correct form should have been I=G*E, then
(1) the heritability coefficient does not measure the contribution of
G but rather that of E, and (2) both G and E have to be measured on a
This can be seen clearly in the last section (conclusion) of my paper
the latest version of which can be found on my site.
Dept of Computer Science, Montclair State University
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