closer to .26 according to latest meta-analysis
That time we showed brain size correlates +.42 with IQ, yet brain size doesn't vary much compared to other organs https://www.primalpoly.com/s/2007-brain-size-intelligence.pdf …pic.twitter.com/yHrinxtD4E
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Brains are exp. to maintain so it makes evolutive sense that size correlates with IQ. Size needs to bring in benefits that top negatives.
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