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Robustness and Comparative Power of Welch-Aspin, Alexander-Govern and Yuen Tests under Non-Normality and Variance Heteroscedasticity
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Almoied, Ayed – ProQuest LLC, 2017
Classical statistical tests are used in many disciplines such as education and psychology. Such tests are based on certain assumptions (e.g., normality and homoscedasticity) that are must to be met in order to produce accurate results. Violation of such assumptions is a common problem researchers encounter, particularly when analyzing real data.…
Descriptors: Evaluation, Statistical Analysis, Evaluation Methods, Simulation