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He confronts a basic tool of the measurers—the statistical technique called factor analysis, developed by the influential English psychologist Charles Spearman—and demonstrates persuasively how factor analysis led to the cardinal error in reasoning of confusing correlation with cause, or, to put it another way, of attributing false concreteness to the abstract. It is this sort of performance that makes the book's eventual refutation of Arthur Jensen seem incidental, for it is far more absorbing to have our powers of reason challenged than it is to have our social consciences shaken. (en) |
