1. A Changing History of Efforts to Understand and Control Change: The Case of Psychotherapy / Michael J. Mahoney -- 2. Randomized Clinical Trials in Psychotherapy Research: Methodology, Design, and Evaluation / David A. F. Haaga and William B. Stiles -- 3. Empirically Supported Treatments: A Critical Analysis / Rick E. Ingram, Adele Hayes and Walter Scott -- 4. Therapist Variables / Edward Teyber and Faith McClure -- 5. Stalking the Elusive Client Variable in Psychotherapy Research / Nancy M. Petry, Howard Tennen and Glenn Affeck -- 6. Change at Differing Stages / James O. Prochaska -- 7. Hope Theory: Updating a Common Process for Psychological Change / C. R. Snyder, Stephen Ilardi and Scott T. Michael / [et al.] -- 8. The Long and Short of Psychological Change: Toward a Goal-Centered Understanding of Treatment and Durability and Adaptive Success / Paul Karoly and Cindy Wheeler Anderson --

9. Enhancing Perceived Control in Psychotherapy / Suzanne C. Thompson and Michelle Wierson -- 10. Psychodynamic Approaches to Psychotherapy: Philosophical and Theoretical Foundations of Effective Practice / Douglas A. Vakoch and Hans H. Strupp -- 11. Integrative Psychotherapy: Integrating Psychodynamic and Cognitive-Behavioral Theory and Technique / Drew Westen -- 12. Existential Approaches to Psychotherapy / Constance T. Fischer, Brian McElwain and J. Todd DuBoise -- 13. Interpersonal Psychotherapy / Ian H. Gotlib and Pamela K. Schraedley -- 14. Marital Therapy: Theory, Practice, and Empirical Status / Donald H. Baucom, Norman Epstein and Kristina Coop Gordon -- 15. Groups as Change Agents / Donelson R. Forsyth and John G. Corazzini -- 16. Constructivist and Narrative Psychotherapies.