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On the Relative Power of the Paired Samples t Test and Wilcoxon's Signed-Ranks Test.
Blair, R. Clifford; Higgins, James J. – 1985
Monte Carlo methods were employed to assess the relative power of the paired samples t test and Wilcoxon's signed-ranks test under ten population shapes. Results of the study indicated that: (1) each of the two statistics was more powerful than the other in given situations; (2) the power advantages of the t test under normal theory were small;…
Descriptors: Estimation (Mathematics), Literature Reviews, Measurement Techniques, Monte Carlo Methods