Suppose There Is Interest in Comparing the Median Response Time

Multiple Choice

Suppose there is interest in comparing the median response time for three independent groups learning a new specific task. The appropriate nonparametric procedure is:

A) the Wilcoxon Rank Sums Test
B) the Wilcoxon Signed Rank Test
C) the Kruskal-Wallis Test for Differences in Medians
D) the Friedman test
E) none of these