Stuart_Armstrong comments on Why Don’t We Apply What We Know About Twins to Everybody Else? - Less Wrong

13 Post author: MichaelGR 01 October 2009 04:23PM

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Comment author: Stuart_Armstrong 02 October 2009 06:11:52PM 2 points [-]

I have a nit-pick with these studies, which I haven't seen addressed: they show that a much larger part of the variance of results results from the birth parents than from the adopted parents.

However, the variance in birth parents' IQ seems to be much larger than the variance in adopting parents IQ; has this been corrected for?