theory of the maths gender gap: if you're a kid and you get out onto the left tail it just becomes really isolating and hard to explain to people, and this is something boys cope better with than girls.
(prejudice also plays some role from what I've heard)
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RT @_alice_evans
How different are 🇺🇸 men and women?

Men are typically taller.

Less agreeable, less neurotic on average

Zero sex difference for conscientiousness

Extreme in…
https://twitter.com/_alice_evans/status/1615341739862298624