Combination of Probabilities from Significance Tests


MCLAUGHLIN gives an interesting illustration of the serious error which may arise from the incorrect application to discrete distributions of Fisher's method of combining significance probabilities. Wallis's exact computer solution is one that is more readily available nowadays; but it seems also worth noting an approximate solution applicable to the present context.

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BARTLETT, M. Combination of Probabilities from Significance Tests. Nature 220, 1251 (1968).

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