Discussion Post
A junior doctoral student approaches you for advice about their proposed research design. They want to measure differences in personality based on four different age groups. Regarding within-group and between-subjects, what other variables should the junior doctoral student consider?
The response should include a reference list. Using one-inch margins, Times New Roman 12 pnt font, double-space and APA style of writing and citations.
Book reference: Gliner, J. A., Morgan, G. A., Leech, N. L. (2017). Research methods in applied settings: An integrated approach to design and analysis (3rd ed.)