You have carried out a Kruskal-Wallis test. There are significant differences between the three groups you are testing. How might you conduct your pairwise comparisons?
A)None of these.Post hoc analyses cannot be carried out using non-parametric tests.
B)Perform Mann-Whitney tests
C)Perform Wilcoxon rank-sum tests
D)Perform t-tests.

Question

Quizplus · Accepted Answer

The Mann-Whitney test is a non-parametric test used for pairwise comparisons between groups when the Kruskal-Wallis test indicates significant differences.

You Have Carried Out a Kruskal-Wallis Test