Simulating Statistical Power Curves with the Bootstrap and Robust Estimation
Description:
Power and effect size analysis are important methods in the psychological sciences. It is well known that classical statistical tests are not robust with respect to power and type II error. However, relatively little attention has been paid in the psychological literature to the effect that non-normality and outliers have on the power of a given statistical test (Wilcox, 1998). Robust measures of location exist that provide much more powerful tests of statistical hypotheses, but their usefulnes…
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Date:
August 2001
Creator:
Herrington, Richard S.