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Paired data arise when an experimental or observational study design deliberately samples two units as a dyad to form a basis of comparison. Use this tag for any question about paired data or their analysis.

1 vote

Paired t-test for 3 groups

Since you do only two tests, divide the $\alpha$ level per test in two. That's a Bonferroni correction. You don't need to correct for a third possible test that doesn't interest you. No need to divide …
David Ernst's user avatar
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Comparison among 3 paired data sets. (paired t-test, ANOVA?)

You seem to be conflating the terms paired and pairwise. t-tests are pairwise when you have multiple groups that you compare to each other. They are paired if you have in each group the same number of …
David Ernst's user avatar
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