Author: ben g
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Half Sigma’s flawed post on DTNBP1
A while back, Mark and I were working on a comprehensive post which would try to tally the results of the various IQ-gene studies to see what they said about racial differences. We began this quest bright-eyed and hopeful that we would help contribute…
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What Heritability is Not
Because so many people abuse or misunderstand the concept of heritability, I decided that it would be nice to have a list of what heritability is not in one place. If you have questions or if there is a misconception about heritability you’d like me t…
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Does the family matter for adult IQ?
A frequent claim in the IQ debates is that which family you are raised in has no lasting impact on your IQ. Jensen argues in The g Factor that the only causes of IQ similarities between adult identical twins are genetic. Many researchers go so far as…
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Does the family matter for adult IQ?
A frequent claim in the IQ debates is that which family you are raised in has no lasting impact on your IQ. Jensen argues in The g Factor that the only causes of IQ similarities between adult identical twins are genetic. Many researchers go so far as…
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No support for birth order effects on personality from the GSS
In researching for a review of The Nurture Assumption, I read over the debate between Harris and Sulloway over birth order effects on personality. Sulloway’s thesis, explained in Born to Rebel, is that last-born children have more rebellious, agreeabl…