Tag: twin studies

Thomas Sowell’s Interesting Points on IQ

In his interview with Crowder, Sowell made at least four points I thought were interesting related to IQ, showing IQ to be more nurture and less genetic than previously thought: The first-born child has higher IQ than a later born

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Caplan on Genetic Studies Applied to Grit

I’ve recently been talking about grit. Industrial psychology has some literature deflating grit which I criticized. That is, I have been defending grit. One criticism I gave was that I think some of the genetic claims are incorrect. Bryan Caplan

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