Critical values for testing the significance of many-one contrasts, all-pairs contrasts, and two types of complex contrasts are presented in a single table. The table can be used in connection with four nonparametric analogs of analysis of variance, representing the one-way and two-way cases for dichotomous and ranked data: the 2 × K chi-square test, the Kruskal-Wallis test, the Cochran Q test, and the Friedman test.
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