Eugenics á la embryo selection/editing is cheaper and has no obvious limits, whereas education does (should we force people to study for 50 years?).https://twitter.com/WiringTheBrain/status/928191081824604160 …
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A +2 to the main is the difference between Northern Europe and Sub-Saharan Africa. Absolutely game changing. We currently have little idea how mean of 130 would look, but perhaps more game-changing! :) One sometimes sees upwards slopes in IQ x outcomes.
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To the extent that
@GarettJones is right, the societal effect of +2 SDs would be much greater than individual returns to +2 SDs, e.g. effect of national IQ on GDP is many times larger than the effect of individual IQ on personal income.Thanks. Twitter will use this to make your timeline better. UndoUndo
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