Cognitive Ability, Wages, and Meritocracy
In their controversial book The Bell Curve, Richard Herrnstein and Charles Murray summarize an impressive body of research on the correlations between social outcomes and scores on tests of cognitive ability.1 A remarkable finding of the research they survey is that one linear combination of tests—called general intelligence, or g—predicts performance almost as well as the full battery of tests.
KeywordsCovariance Posit Sorting
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