PART I: HISTORICAL, METHODOLOGICAL, ETHICAL, AND CONCEPTUAL FOUNDATIONS.

Introduction and Historical Overview (Michael J. Lambert, et al.).

Methodology, Design, and Evaluation in Psychotherapy Research (Phillip C. Kendall, et al.).

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 OF THERAPEUTIC 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, et al.).

Process and Outcome in Psychotherapy (David E. Orlinsky, et al.).

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, et al.).

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, et al.).

Small Group Treatment: Evidence for Effectiveness and Mechanisms of Change (Gary M. Burlingame, et al.).

Behavioral Medicine and Health Psychology (Thomas L. Creer, et al.).

Medication and Psychotherapy (Michael E. Thase and Ripu D. Jindal).

Research on Psychotherapy with Culturally Diverse Populations (Nolan Zane, et al.).

PART V: SUMMATION.

Overview, Trends, and Future Issues (Michael J. Lambert, et al.).