Normality and ANOVA
Assess normality when comparing three independent groups on a continuous outcome
The steps for assessing normality for ANOVA with skewness and kurtosis statistics in SPSS
2. Drag the mouse pointer over the Descriptive Statistics drop-down menu.
3. Select Descriptives.
4. Click on the outcome variable to highlight it.
5. Click on the arrow to move the variable into the Variable(s): box.
6. Click the Options tab.
7. Deselect Minimum and Maximum boxes under the Dispersion section.
8. Select the Kurtosis and Skewness boxes under the Distribution section.
9. Click Continue.
10. Select the Save standardized values as variables box.
11. Click OK.
The steps for interpreting the SPSS output for skewness and kurtosis statistics when using ANOVA
Was the assumption of normality met for ANOVA?
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