1853[evol-psych] Re: Iq" genetic or environmental?
- Dec 2, 1999On Tue, 30 Nov 1999, Fredric Weizmann wrote:
> Arguments about the importance of environments and genes based onIncontestable as stated, but let's take an informal poll
> relative ontributions to variance frequently lead to that kind of mistake.
> Yes of course one can compute relative variances, but statements about
> variance (and heritabilities, which are also based on variances) are
> quite limited and are descriptive in nature; variances do not constrain
Purely hypothetical question - Knowing that heritability indexes
based on co-twin data range from about .50 to .70, if you were planning to
contract for sperm or eggs for in-vitro fertilization, would you:
a) been completely disinterested in the I.Q. of the donor.
b) be casually but not critically interested.
c) be critically interested - in fact, insist on the score.
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