You Conduct a Study to Assess the Relative Effectiveness of Three

question 75

Multiple Choice

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

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