How to perform a Brown-Forsythe and Welch F tests in SPSS. These tests are robust to violation of the homogeneity of variance assumption. I also show the degree to which these tests work at keeping alpha close to .05 across various conditions based on published simulation research.
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ANOVA - Unequal Variances Unequal Sample Sizes - Brown-Forsythe & Welch F tests
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