The Woodley effect
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Claim of decreasing IQs mostly relies on tests with recruits. There is a plausible explanation why this might be an artifact. Later cohorts had more of an incentive to underperform their potential (=not be drafted after the Cold War). Might be just a bone spur epidemic.
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That seems backwards. Haven’t last few decades had *lower* risk of conscription/combat-service vs 20thC, at least in (say) NATO countries? What’s a country with (a) declining scores; (b) from military recruits; (c) in an era of increasing risk of military conscription?
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You have to love economists and other nontechnical folks. The simplest technical concepts are new to them. So cute!
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I suspect it's the result of removing logic-training from school in the 70s.
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