That one time the US military decided to lower standards. https://www.amazon.com/McNamaras-Folly-Low-IQ-Troops-Vietnam-ebook/dp/B0108H60MG …pic.twitter.com/ui6UoGXbHp
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Right, but then the Wiki article also says ppl "below IQ 80" were newly admitted. 30th is not IQ 80, I think.
10th centile is 80 IQ (in R, use `qnorm(.1, 100, 15)`). I don't think they admitted people under 80 because that's illegal. But maybe that was a later law. I haven't read the book yet. Apparently, military experience for them seems to make them worse off. https://eric.ed.gov/?id=ED366751
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Right, 10th is 80, but the article is contradictory on this. Also, I find it hard to imagine the old rules excluded almost 1/3 of ppl
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