8) A researcher wishes to test for significant difference between three conditions but finds that the data cannot be transformed to normal. What would be the best thing to do?
A) Carry out three separate t tests
B) Conduct a one-way ANOVA and not refer to the data problem
C) Conduct a Kruskal-Wallis one-way test
D) Just test the differences that look significant

Question

Quizplus · Accepted Answer

If the data cannot be transformed to normal, it is best to use a non-parametric test. The Kruskal-Wallis test is a non-parametric test that can be used to compare three or more groups. Therefore, conducting a Kruskal-Wallis one-way test would be the best choice in this scenario.

8) a Researcher Wishes to Test for Significant Difference Between