A management professor was teaching a course in business leadership as part of an executive MBA program. She divided her class of 10 executives into two equal sized groups and used a different approach to teach about various leadership styles (case study and online interactive). To compare the effectiveness of the two approaches, the appropriate nonparametric procedure is the
A) Kruskal-Wallis test
B) Spearman's rho test
C) Wilcoxon signed-rank test
D) Wilcoxon rank-sum test
E) Friedman test

Question

Quizplus · Accepted Answer

The Wilcoxon rank-sum test is appropriate for comparing two independent groups, which fits the scenario of comparing the effectiveness of two different teaching approaches on two separate groups of executives.

A Management Professor Was Teaching a Course in Business Leadership