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Repeated measures ANOVA: some new results on comparing trimmed means and means
This paper considers the common problem of testing the equality of means in a repeated measures design. Recent results indicate that practical problems can arise when computing confidence intervals for all pairwise differences ...
Tests for Treatment Group Equality When Data are Nonnormal and Heteroscedastic
(Wayne State University Library System, 2007)
Several tests for group mean equality have been suggested for analyzing nonnormal and heteroscedastic data. A Monte Carlo study compared the Welch tests on ranked data and heterogeneous, nonparametric statistics with ...
Pairwise multiple comparison tests when data are nonnormal
Numerous authors suggest that the data gathered by investigators are not normal in shape. Accordingly, methods for assessing pairwise multiple comparisons of means with traditional statistics will frequently result in ...