Western Michigan University ScholarWorks at WMU Dissertations Graduate College 12-2002 Testing the Effectiveness of Behavioral Activation Therapy in the Treatment of Acute Unipolar Depression Jenifer M. Cullen Western Michigan University Follow this and additional works at: https://scholarworks.wmich.edu/dissertations Part of the Counseling Psychology Commons, and the Experimental Analysis of Behavior Commons Recommended Citation Cullen, Jenifer M., "Testing the Effectiveness of Behavioral Activation Therapy in the Treatment of Acute Unipolar Depression" (2002). Dissertations. 1266. https://scholarworks.wmich.edu/dissertations/1266 This Dissertation-Open Access is brought to you for free and open access by the Graduate College at ScholarWorks at WMU. It has been accepted for inclusion in Dissertations by an authorized administrator of ScholarWorks at WMU. For more information, please contact
[email protected]. TESTING THE EFFECTIVENESS OF BEHAVIORAL ACTIVATION THERAPY IN THE TREATMENT OF ACUTE UNIPOLAR DEPRESSION by Jenifer M. Cullen A Dissertation Submitted to the Faculty o f The Graduate College in partial fulfillment of the requirements for the Degree o f Doctor o f Philosophy Department of Psychology Western Michigan University Kalamazoo, Michigan December 2002 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. TESTING THE EFFECTIVENESS OF BEHAVIORAL ACTIVATION THERAPY IN THE TREATMENT OF ACUTE UNIPOLAR DEPRESSION Jenifer M. Cullen, Ph.D. Western Michigan University, 2002 The present study sought to investigate the clinical effectiveness o f Behavioral Activation (BA) Therapy, the behavioral activation component of Beck's Cognitive Therapy (CT; Beck, Rush, Shaw, & Emery, 1979). Seventeen adults seeking mental health services for Unipolar Depression were recruited from the Kalamazoo and Southwestern Michigan regions.