2005•Journal of Modern Applied Statistical MethodsOpen access

Misconceptions Leading to Choosing the t Test Over the Wilcoxon Mann-Whitney Test for Shift in Location Parameter

Shlomo S. Sawilowsky

Abstract

There exist many misconceptions in choosing the t over the Wilcoxon Rank-Sum test when testing for shift. Examples are given in the following three groups: (1) false statement, (2) true premise, but false conclusion, and (3) true statement irrelevant in choosing between the t test and the Wilcoxon Rank Sum test.

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Key concepts: Wilcoxon signed-rank test, Mann–Whitney U test, Mathematics, Statistics, Test (biology), Rank (graph theory), Statement (logic), Premise