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Culture War Roundup for the week of October 14, 2024

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We've had IQ tests for about a century now. Don't you think we would have noticed if there was actually some advantage to being stupid in that time? Why would another 20 years make a difference?

What kind of positive traits would you expect to find?

These traits are notoriously polygenic, and virtually every gene is pleiotropic. It's not hard to imagine that optimizing for IQ specifically can have unforeseen deleterious downstream effects. Genetics as a field is rife with unknown unknowns.

Like @Rosencrantz2, I think people here are kidding themselves about how well we understand genetics or the mind.

Psychology is one of the "softest" and least rigorous of all the sciences, and to the degree that IQ tests are measuring a real phenomenon it seems to me that whatever it is produces diminishing returns and starts to come with significant downsides in terms of mental (and to a lesser extent physical) health as you approach the tail end of the bell curve.

IQ appears to be as close to an unalloyed good as it gets. To the best of my knowledge, the markers for most things we consider indicators of a good or successful life positively correlate with IQ, such as overall health, mental wellbeing, income and so on.

Is it theoretically possible that after a certain point, further IQ gains will require horrible tradeoffs (such as an example Scott once brought up of a family that seems to get +20 IQ points at the cost of going blind)? Yes.

But for very large and very meaningful gains, well past the 160s, we have existence proofs that people with high IQs do just fine. Better than you or me for the matter. I'll take plenty more gains along those lines.

I do think that there are advantages to not having too high an IQ. I studied maths at Cambridge and met my classmates.