Part I: HISTORICAL, METHODOLOGICAL, ETHICAL, AND CONCEPTUAL FOUNDATIONS

* Introduction and Historical Overview, Michael J. Lambert, Allen E. Bergin and Sol L. Garfield
* Methodology, Design, and Evaluation in Psychotherapy Research,Phillip C. Kendall, Grayson Holmbeck, and Timothy Verduin
* Theoretical Challenges to Therapy Practice and Research: The Constraint of Naturalism, Brent D. Slife
* Methodological Issues in Studying Psychotherapy Processes and Outcomes, Clara E. Hill and Michael J. Lambert

Part II: EVALUATING THE INGREDIENTS OFTHERAPEUTIC EFFICACY

* The Efficacy and Effectiveness of Psychotherapy, Michael J. Lambert and Benjamin M. Ogles
* Research on Client Variables in Psychotherapy, John F. Clarkin and Kenneth N. Levy
* Therapist Variables, Larry E. Beutler, Mary L. Malik, Shabia Alimohamed, T. Mark Harwood, Hani Talebi, Sharon Noble, and Eunice Wong
* Process and Outcome in Psychotherapy, David E. Orlinsky, M. Helge Ronnestad, and Ulrike Willutzki

Part III: MAJOR APPROACHES

* Behavior Therapy with Adults, Paul M. G. Emmelkamp
* Cognitive and Cognitive-Behavioral Therapies, Steven D. Hollon and Aaron T. Beck
* Research on Experiential Psychotherapies, Robert K. Elliott, Leslie S. Greenberg and Germain Lietaer

Part IV: RESEARCH ON APPLICATIONS IN SPECIAL GROUPS AND SETTINGS

* Psychotherapy for Children and Adolescents, Alan E. Kazdin
* Levels of Evidence for the Models and Mechanisms of Therapeutic Change in Family and Couple Therapy, Tomas L. Sexton, James F. Alexander, and Alyson L. Mease
* Small Group Treatment: Evidence for Effectiveness and Mechanisms of Change, Gary M. Burlingame, K. Roy MacKenzie, and Bernhard Strauss
* Behavioral Medicine and Health Psychology, Thomas L. Creer, Kenneth A. Holroyd, Russell E. Glasgow, and Timothy W. Smith
* Medication and Psychotherapy, Michael E. Thase and Ripu D. Jindal
* Research on Psychotherapy with Culturally Diverse Populations, Nolan Zane, Gordon C. Nagayama Hall, Stanley Sue, Kathleen Young, and Joel Nunez

Part V: SUMMATION

* Overview, Trends, and Future Issues, Michael J. Lambert, Sol L. Garfield, and Allen E. Bergin