P Value from Q Calculator (Studentized Range Distribution/Tukey HSD)

The inputs below are straightforward. Your q score goes in the first box. The number of groups (or treatments, means, etc) in your study goes into the second box. And you add the within-groups degrees of freedom to the final box. After that, just select your significance level (it defaults to .05), and hit the Calculate button.

Please note: This calculator is still in beta.

The value of q:
Number of groups (or means):
Degrees of freedom (within-groups):

Significance Level:

Enter your values above, then press "Calculate".

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