Unit 3 · Compare groups
Post hoc tests in SPSS: Tukey and Games-Howell
Choose and interpret post hoc tests after ANOVA in SPSS, including Tukey HSD and Games-Howell.
Pro lessonAbout 5 minutes6 practice questions
The Post Hoc dialog
Click Post Hoc… inside the One-Way ANOVA dialog. Pick one test from the list that matches your Levene's result.
One-Way ANOVA: Post Hoc Multiple Comparisons
Equal Variances Assumed1
LSD
Bonferroni2
Sidak
Scheffe
R-E-G-W F
S-N-K
✓Tukey
Tukey's-b
Duncan
Hochberg's GT2
Gabriel
Dunnett
Equal Variances Not Assumed3
Tamhane's T2
Dunnett's T3
Games-Howell
Dunnett's C
Significance level: 0.054
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- 1
Equal Variances AssumedIf Levene's test is not significant, Tukey is the usual choice.
- 2
BonferroniStricter, and a good option when you only have a few comparisons.
- 3
Equal Variances Not AssumedIf Levene's test is significant, choose Games-Howell instead.
- 4
Significance levelLeave it at 0.05 unless your module says otherwise.
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