Concepedia

Comparison of the t vs. Wilcoxon Signed-Rank Test for Likert Scale Data and Small Samples

Gary E. Meek, Ceyhun Ozgur, Kenneth A. Dunning

Journal of Modern Applied Statistical Methods · 2007 · 116 citations · 17 references

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Concepts

Abstract

The one sample t-test is compared with the Wilcoxon Signed-Rank test for identical data sets representing various Likert scales. An empirical approach is used with simulated data. Comparisons are based on observed error rates for 27,850 data sets. Recommendations are provided.

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