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Hsiung, Tung-Hsing; And Others – Journal of Educational Statistics, 1994
The alternative proposed by Wilcox (1989) to the James second-order statistic for comparing population means when variances are heterogeneous can sometimes be invalid. The degree to which the procedure is invalid depends on differences in sample size, the expected values of the observations, and population variances. (SLD)
Descriptors: Analysis of Variance, Comparative Analysis, Equations (Mathematics), Hypothesis Testing