A Management Professor Was Teaching a Course in Business Leadership

Multiple Choice

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 (case study and online interactive) to teach about various leadership styles. 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.