Which of the following tests allows for comparing several conditions?
A) Wilcoxon signed-rank test
B) Mann-Whitney test
C) Kruskal-Wallis test
D) Wilcoxon rank-sum test

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is used to compare more than two independent samples. It is a non-parametric version of ANOVA and can be used when the assumptions of normality and equal variance are not met. The Wilcoxon signed-rank test, Mann-Whitney test, and Wilcoxon rank-sum test are all used to compare two conditions only.

Which of the Following Tests Allows for Comparing Several Conditions