Some of you may have noticed that the ANOVA test only tells us if there is or is not a difference and that it does not tell us which groups are significantly larger or smaller.

Fortunately, there is a Post-hoc test for ANOVA that tells us which groups are different, which can be performed if you reject the null hypothesis from the regular ANOVA test. Take a look at this video (right click and “open link in new window” if necessary) to learn more about the Post-hoc test for ANOVA.

Please watch this video to go beyond the concepts of this DQ and discuss some of your observations about the post-hoc test for ANOVA.

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