Meta-analysis: More intelligent individuals tend to have fewer children, a link that is stronger in women and has increased over recent decades. https://www.sciencedirect.com/science/article/pii/S0191886918302903 …pic.twitter.com/ucl0SaHg1I
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That would not explain why the Flynn effect has revered recently, with several countries suddenly faring worse on the same tests they had gotten better at before.
Interesting. Many trends can be reversed if conditions change. For example the financial crisis had measurable effect on life expectancy in some countries. Could also be a change in curricula. Do you have a plausible explanation?
Oh wow, I wasn't aware the Flynn Effect had reversed. I'll have to look into it.
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