You conduct a study to assess the relative effectiveness of three different medications for depressive symptoms in patients with major depressive disorder. Three randomly selected groups of participants receive one of the three medications and their level of depression is measured before and after treatment. In this study, level of depression is the:
A)interaction effect
B)marginal mean
C)independent variable
D)dependent variable

Question

Quizplus · Accepted Answer

The level of depression is the variable being measured and therefore is the dependent variable in this study.

You Conduct a Study to Assess the Relative Effectiveness of Three