# when to check assumptions of ANOVA

Typically before running a statistical test, I would check the assumptions of independence, normality etc. before running the test. However some of the assumptions of ANOVA are with regards to the residuals (normality of residuals, independence of residuals).

So my question is, for the ANOVA, do I run the assumption checks after running the statistical test?

• Obviously you cannot check anything about the residuals before estimating the model since you don't have any residuals yet.
– Tim
Nov 14 '16 at 9:10
• Nov 14 '16 at 11:24