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

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Why do planned comparisons and post-hoc tests differ?

I conducted a three-way independent ANOVA. I manipulated the sound of my stimulus to be 1: congruent (KON), 2: incongruent (INK) and 3: no sound at all (control condition). One of my planned compariso …
Jens Stach's user avatar