Sex difference and country egalitarianism -- chess version. https://halfassed.science.blog/2019/06/15/chess-psychometrics-the-gender-equality-paradox/ …pic.twitter.com/7fVuBLnD23
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More interesting option is that genetic sex differences are larger in better countries, and this results in more division of labor, which is more effective and helps explain why these countries are great. Also aligns with male-driven intelligence directional selection.
I don't know whether this hypothesis is right, but it's an alternative to the environmentalist one of greater opportunities. I note that sex differences in intelligence are larger in north Euros too (and Ashkenazim!) in line with personality differences.
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@DavidePiffer wrote a paper on this back in 2014. Back when I reviewed it and thought it implausible, but now I'm having second thoughts. https://openpsych.net/paper/39@jonatanpallesen did the meta of Ashkenazim sex diff in intelligence. - 1 more reply
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