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[Updated Dec 2004 to correctly deal with repeated measures ANOVA.] After two-way (or other) Analysis of Variance (ANOVA), you often wish to perform post ...

https://www.graphpad.com/quickcalcs/posttest1/

Graphing options If you chose a multiple comparison method that computes confidence intervals (Tukey, Dunnett, etc.) Prism can plot these confidence ...

https://www.graphpad.com/guides/prism/latest/statistics/

Prism 10.0.1 was released on July 27, 2023. General Improvements. Removed the "Tukey" and "Newman-Keuls" comparison tests from the 'Options' tab of two-way ...

https://www.graphpad.com/updates/

The q ratio reported by both the Tukey test and the Newmann-Keuls differ from the one reported by Dunnett's test by a factor of the square root of 2, so cannot ...

GraphPad FAQs

The Fishers LSD test is basically a set of individual t tests. It is only used as a followup to ANOVA. •Unlike the Bonferroni, Tukey, Dunnett and Holm methods, ...

https://www.graphpad.com/guides/prism/latest/statistics/

It pretends to correct for multiple comparisons, but doesn't do so very well. Note that other multiple comparison tests (Bonferroni, Tukey, etc.) do not require ...

GraphPad FAQs

Following ANOVA, Prism can perform the Bonferroni, Tukey, [Student] Newman-Keuls, or Dunnett's post test. Following nonparametric analysis, Prism can ...

GraphPad FAQs

CI? Method. Compare every mean to every other mean. Yes. Tukey (preferred). Bonferroni. No. Holm (preferred). Newman-Keuls. Compare every mean to a control mean.

https://www.graphpad.com/guides/prism/latest/statistics/

Prism can compute a multiplicity adjusted P value for each comparison for many multiple comparison methds: The methods of Tukey, Dunnett, Bonferroni, Sidak, ...

https://www.graphpad.com/guides/prism/latest/statistics/

You'll choose the exact test on the Options tab, but Tukey's test is used most often. Compare the mean of each column with the mean of a control column. It ...

https://www.graphpad.com/guides/prism/latest/statistics/