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I'm not an expert, but a brief scan of secondary sources (Wikipedia and Our World In Data) show it going back to 1910 in the Americas at least: https://ourworl
by curo 7y ago
I'm not an expert, but a brief scan of secondary sources (Wikipedia and Our World In Data) show it going back to 1910 in the Americas at least:
https://ourworldindata.org/intelligence https://ourworldindata.org/intelligence
Edit: ah excuse me, I misread. I have seen a question about its recent reversal.
- esalman 7y agoI think there's more nuance to the claim from statistical perspective. How is the average estimated, what kind of a distribution does population IQ have, and what factors influence it?