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Tukey's range test, also known as Tukey's test, Tukey method, Tukey's honest significance test, or Tukey's HSD (honestly significant difference) test, [1] is a single-step multiple comparison procedure and statistical test. It can be used to correctly interpret the statistical significance of the difference between means that have been selected for comparison because of their extreme values ...
Master Multiple Comparisons: Tukey Test with free video lessons, step-by-step explanations, practice problems, examples, and FAQs. Learn from expert tutors and get exam-ready!
The Tukey procedure explained above is valid only with equal sample sizes for each treatment level. In the presence of unequal sample sizes, more appropriate is the Tukey-Cramer Method, which calculates the standard deviation for each pairwise comparison separately. This method is available in SAS, R, and most other statistical software.
Tukey's method for multiple comparisons is used in ANOVA to create confidence intervals for all pairwise differences between factor level means while controlling the ...
A simple explanation of how to perform Tukey's Test in R, including an example.
Common Multiple Comparisons Procedures Bonferroni method Tukey procedure Dunnett procedure Scheffe and Extended Tukey: simultaneously comparing all possible contrasts.
Tukey Method In some cases, confidence intervals are required for all possible pairwise difference contrasts Tukey (1953) proposed a technique to create these confidence When the sample sizes are equal, the overall confidence level is exactly (1-α)100%; otherwise it can be made to be at least (1-α)100%.
Tukey's Test Tukey's test, also known as the Tukey range test, Tukey method, Tukey's honest significance test, Tukey's HSD (honest significant difference) test or the Tukey-Kramer method, is a single-step multiple comparison procedure and statistical test It is used in conjunction with an ANOVA to find means that are significantly different from each other. Named after John Tukey, it ...
Overview of pairwise mean comparison methods besides the Tukey method. Includes LSD, Bonferroni, Scheffé, and Dunnett.
Learn how to apply Tukey's Honestly Significant Difference (HSD) test after ANOVA to identify which group means differ significantly.