Anova Spss Test For Normality. The Kolmogorov-Smirnov test in SPSS. Aug 11 2017 For the tests of normality SPSS performs two different tests.
ANOVA Flowchart Inspecting Means and Sample Sizes. Variables must be normally distributed in the population. Then run the ANOVA saving the residuals and test those for normality.
The Kolmogorov-Smirnov and the Shapiro-Wilk tests.
Hence it is necessary to test the normality. SPSS runs two statistical tests of normality Kolmogorov-Smirnov and Shapiro-Wilk. If there really are many values of Y for each value of X each group and there really are only a few groups say four or fewer go ahead and check normality separately for each group. If the residuals are very skewed ANOVA is not reliable so use the non-.
