<qa>  What is the control condition of Behavioral Activation?The purpose of this study is to test the clinical efficacy of two psychotherapies for early onset chronic major depression, including Behavioral Activation Jacobson et al., 2001, and an integrated version of Behavioral Activation and Stress Innoculation Coping BASIC for short-term 16 weeks of individual psychotherapy for adults with chronic major depression. The control condition is an individual workbook condition of Behavioral Activation. These psychotherapies focus on behavior activation, stress reduction and coping strategies to counter depressive symptoms. 