Rushtown...

From: DesertCactus (desertcactus_at_emailcorner.net)
Date: 07/13/04 

Date: 13 Jul 2004 10:46:13 -0700

Written by Rushtown:

> Twin studies suggest that 70% of IQ differences are genetically caused.

Really? Source please? If this is true, then we have our answer of the
cause of racial IQ score difference. But I doubt it is. The quality of
the results of these twin studies are limited to how effective this
type of experiment is and how it is carried out.

> Think about it--if IQ differences were 100% enviornmentally caused the hominid
> line could not have evolved increasingly higher intelligence over the last
> million years. And think about it a little more---If there were no
> correllation between head size, intelligence and genes, our species would not
> have evolved an increasingly larger head (with all the problems that causes)
> over the last million years

True but even researchers who are LOOKING for a brain size difference
find a negligible or no difference. Rushton found almost no
difference, to my knowledge, someone who knows Rushton's work better,
correct me if I'm wrong.
and differences in brain size were a KEY part of his theories.

Relevant Pages

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