Re: Race Differences

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Ho hum:

> Magnetic resonance imaging studies which, in effect, construct a
>3-dimensional model of the brain in vivo, show about a 0.40 correlation
>with IQ test scores, thus confirming about 30 studies finding a 0.20
>correlation between external head perimeter and IQ test scores.
>See for example the work of Nancy Andreasen and her colleagues in
>the 1993 issue of the American Journal of Psychiatry.
>

So r-squared = 0.16, i.e. 16% of variability of IQ test scores is accounted
for by "external head perimeter. Whoopee-bloody-doo!

> New neuroscience work must be integrated with old anthropology.

Indeed. What was all that ancient stuff about Neanderthal brain size?
Sigh....



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