Medium
Post-hoc Tests
SPSS
Free
A researcher runs a one-way ANOVA comparing mean exam scores across 4 teaching methods (A, B, C, D). The Levene’s test for homogeneity of variances is significant (p = .01), and the group sizes are quite unequal (nA=18, nB=45, nC=22, nD=60). Which post-hoc test is the best choice to compare all pairs of group means?
A
Tukey HSD
B
Bonferroni
C
Games–Howell
D
Fisher’s LSD