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danielbarla
on Nov 22, 2012
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Is human intellect on the downward slide? (debunke...
The relation between IQ tests and intelligence aside, I thought that the "downward slide" argument was at odds with the Flynn effect (a significant, upward trend in IQ scores over the past century or so):
http://en.wikipedia.org/wiki/Flynn_effect
_csoz
on Nov 22, 2012
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Though it would be hard to attribute that to natural selection.
danielbarla
on Nov 22, 2012
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Sure, but put another way, the article is making predictions which don't seem to fit the data.
chm
on Nov 22, 2012
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But he's measuring gene expression, which is not a subjective science. Measuring IQ, on the contrary, is.
a_bonobo
on Nov 22, 2012
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Crabtree is measuring nothing, his arguments are just based on assumptions, there is no gene expression data in these two papers.
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http://en.wikipedia.org/wiki/Flynn_effect