Many multiple comparisons test are accompanied by confidence intervals and multiplicity adjusted P values. Ordinary or repeated measures one-way ANOVA followed by the Tukey, Newman-Keuls, Dunnett, Bonferroni or Holm-Sidak multiple comparison tests, the post-test for trend, or Fisher's Least Significant tests. ![]() Perform many t tests at once, using False Discover Rate to choose which comparisons are discoveries to study further. Wilcoxon test with confidence interval of median. Nonparametric Mann-Whitney test, including confidence interval of difference of medians. Reports P values and confidence intervals. ![]() It is also widely used by undergraduate and graduate students. More than 200,000 scientists in over 110 countries rely on Prism to analyze, graph and present their scientific data. Prism is now used much more broadly by all kinds of biologists, as well as social and physical scientists. GraphPad Prism was originally designed for experimental biologists in medical schools and drug companies, especially those in pharmacology and physiology. GraphPad Prism, available for both Windows and Mac computers, combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization.
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