How to use
- Enter one paired condition per line in
Label: valuesform. - Keep the same subject or block order across every line.
- Read the p-value together with Q, tie correction, Kendall's W, and per-condition rank sums.
Wave 39 paired nonparametric multi-group entry
Compare 3 or more paired conditions by rank
The share URL stores only decimal places.
How to choose between nearby pages
Use Wilcoxon signed-rank when there are only 2 paired conditions. Use Kruskal-Wallis when the groups are independent. This page covers the paired 3-or-more-condition nonparametric lane.
FAQ
What does this page calculate?
It runs a Friedman test across 3 or more paired groups and returns the Q statistic, p-value, tie correction, Kendall's W, and rank summaries.
When should I use Friedman instead of Kruskal-Wallis?
Use Friedman when the same subjects or matched blocks appear across 3 or more conditions. Use Kruskal-Wallis when the groups are independent.
When should I use Wilcoxon signed-rank instead?
Use Wilcoxon signed-rank when there are only 2 paired conditions. Friedman is the 3-or-more-condition extension in the same paired nonparametric lane.
Does the share URL include my grouped values?
No. The share URL stores only light settings such as decimal places. Your grouped values stay in your browser.