Cochran's Q

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In statistics, a test of the null hypothesis that several related dichotomous variables, measured on the same individual or on matched individuals, have the same mean. Cochran's Q is an extension of the McNemar test to the k-sample case. [Named after the Scottish statistician William Gemmell Cochran (1909–80) who developed the test in 1950]

Subjects: Psychology.

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