For this example, I made up a totally hypothetical experiment where we want to test how graduate student happiness varies between different years of students. Fortunately, Prism is a pretty fantastic software package that makes a lot of decisions for you when setting up this test. So, from a practical standpoint, I want to walk through how to use the Kruskal-Wallis test on Prism. The paper totally butchered their analysis (trying to use parametric tests on non-parametric data), but I found that they should have used the Kruskal-Wallis test instead. I found this test while working on the BadStats assignment, where in I found a paper that tried to analyze survey data based on a 10-point scale. ![]() Although we didn't have time to cover it in class, I wanted to briefly introduce the Kruskal-Wallis test, which is the non-parametric equivalent of a one-way ANOVA.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |