I have performed Levene's Test for Homogeneity and Welch's ANOVA. If alpha is 0.05, then Levene's Test for Homogeneity is NOT met wile Welch's ANOVA is met. My question is: what kind of post hoc test should i choose? Games Howell?
You ought to have a look at box plots and diagnostic graphs.
"...Levene’s test or any other test for homogeneity of variance should not be used as a diagnostic for the assumption of equal group variances that underlies the usual analysis of variance..."
Norman. SAS 9.4 (TS1M6) X64_10PRO WIN 10.0.17763 Workstation
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ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.