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Culture War Roundup for the week of October 24, 2022

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HBD is a useful scientific frame insofar as it goes against the default blank-statist universalism of academia writ large, but the number of people who truly give a shit about the phenotypic variance populations on psychometrics is a rounding error. The issue is that people like to make interventions which don’t do anything. We can quibble over effect sizes, but right now I could use embryo selection to get a marginally smarter child compared to controls. There isn’t any known environmental intervention that can more the dial on adult g.

I’m actually quite sympathetic to giving more credit to random noise, but nobody has time for the humility that would demand.

Just for context, is there some specific intervention Erik Turkheimer has endorsed that you are objecting to/which you think has been shown to be ineffective?

It’s unfortunately not explicit, but the subtext of of the thesis ‘the environment of poverty causes low IQ’ is that if we fix poverty we fix IQ. If you take Jensen seriously then you can (correctly) predict that anything short of explicit eugenics and/or gene modification is going to fail to move the needle.

On the margins there is plenty of room for serious scientists to argue about possibly meaningful effects here or there: the fact that income and wealth have very different relationships with heritability is definitely interesting. But we try to use truth to win social fights rather than pick our side based on truth unfortunately.