If you are comparing a bunch of independent comparisons, we recommend the Sidak method, which is very similar to Bonferroni but has a tiny bit more power.If you are comparing a control row (or column) mean with the other row (or column) means, we suggest the Dunnett's test.If you are comparing every row (or column) mean with every other row (or column) mean, we recommend the Tukey test.We recommend these tests because they can compute confidence intervals and multiplicity adjusted P values
The list of tests available depends on the goal you specified on the second tab. Multiplicity adjusted P values provide more information that simply knowing if a difference has been deemed statistically significant or not.
Confidence intervals are much easier for most to interpret than statements about statistical significance.
We recommend one of the tests that compute confidence intervals and multiplicity adjusted P values for two reasons: Some of these methods let you compute confidence intervals and multiplicity adjusted P values, and some don't. Correct for multiple comparisons using statistical hypothesis testing
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