Researchers at the Allied Mental Health Center Are Conducting a Study

Multiple Choice

Researchers at the Allied Mental Health Center are conducting a study to determine how quickly symptoms of major depressive disorder are reduced by different forms of psychotherapy. What is the independent variable in this study?

A) change in the symptoms of major depressive disorder
B) method used to recruit participants for the study
C) form of psychotherapy used to treat major depressive disorder
D) cost of the study