Ian Pitchford

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Way back in 1954, Paul Meehl wrote a book called Clinical Versus Statistical Prediction. This slim volume created a storm of controversy among psychologists because it reported the results of about twenty other empirical studies that compared how well “clinical” experts could predict relative to simple statistical models. The studies concerned a diverse set of predictions, such as how patients with schizophrenia would respond to electroshock therapy or how prisoners would respond to parole. Meehl’s startling finding was that none of the studies suggested that experts could outpredict ...more
Super Crunchers: How anything can be predicted
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