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We'd have to define "dumber" because adult literacy and numeracy rates have largely increased globally since the 1990's. https://ourworldindata.org/literacy ht
by joshuamcginnis 3y ago
We'd have to define "dumber" because adult literacy and numeracy rates have largely increased globally since the 1990's.
https://ourworldindata.org/literacy https://ourworldindata.org/literacy
- klipt 3y agoThis is largely due to increasing access to education in less developed countries. In already developed countries the Flynn effect seems to be reversing, ie IQ is leveling off or even dropping.
- staunton 3y agoIQ is a very different thing from literacy (or generally any skills one learns). I think IQ is not relevant to this discussion. It's basically impossible to improve an adult's g-factor, for example. For children, things like nutrition and hygiene (e.g. no parasites) play a big role. But the kinds of things a human learns or tools they use doesn't significantly affect G-factor.