An evaluative researcher wants to know whether three different groups of professionals employed by a child welfare agency differ with regard to their level of job satisfaction, and he/she has measured job satisfaction at the ordinal level. In this situation, you have a nominal variable with three categories and an ordinal variable. Please explain the test you will use and the rationale for the choice of your statistical test.
What will be an ideal response?
Ans: The study involves three different independent are comparing three groups of people rather than comparing two sets of scores from the same people. Therefore, the data are from independent groups and employing the Kruskal–Wallis test is likely to help the researcher in generating a p value to determine the level of statistical significance. The p value will be small and statistically significant if the ranks of the people in the three groups are different in regard to job satisfaction.
Cognitive Domain: Application
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