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Tukeys Honest Significant Difference (HSD) is a multiple comparison method based on the studentized range distribution.

5 votes
1 answer
9k views

Significant ANOVA interaction but non-significant pairwise comparisons [duplicate]

I ran a two-way ANOVA and got a significant interaction. I ran a Tukey.HSD() post-hoc test in R and no pairwise comparisons were significant. Is this an error on my part? My adviser insists that this …
Mina's user avatar
  • 488
3 votes
0 answers
1k views

Do only certain pairwise comparisons after significant interaction in two-way ANOVA

I am comparing measurements on a test group relative to a control group in three different environmental conditions. I am interested in both differences between environmental conditions and difference …
Mina's user avatar
  • 488