Author Question: A design with two or more groups that are not randomly assigned is called a(n) A) ex post facto ... (Read 94 times)

Coya19@aol.com · **on:** Jun 20, 2018

A design with two or more groups that are not randomly assigned is called a(n)

A) ex post facto design B) nonequivalent group design
C) pretest-posttest control-group design D) Solomon four-group design

Question 2

This nonparametric test is used when you have ordinal data, two independent groups, and the
groups are relatively small (n = 20 or less).

A) chi-square test for two levels of a single nominal variable
B) Mann-Whitney U Test
C) Wilcoxon T Test
D) Kruskal-Wallis H Test
E) rank sums test