This monograph is based on the papers from a technical review. These papers are included: (1) Psychotherapy and Counseling Research in Drug Abuse Treatment: Questions, Problems, and Solutions (Lisa Onken, Jack Blaine); (2) Psychotherapy and Counseling for Methadone-Maintained Opiate Addicts: Results of Research Studies (George Woody, A. T. McLellan, Lester Luborsky, Charles O'Brien); (3) Crack and Cocaine Abusers in Outpatient Psychotherapy (Paula Kleinman, George Woody, Thomas Todd, Robert Millman, Sung-Yeon Kang, Jack Kemp, Douglas Lipton); (5) Therapist Effects in the Treatment of Drug Dependence: Implications for Conducting Comparative Treatment Studies (Paul Crits-Christoph, Katherine Beebe, Mary Beth Connolly); (6) Control Groups and Comparison Groups in Psychotherapy Outcome Research (T. D. Borkovec); (7) Attrition in Substance Abuse Comparative Treatment Research: The Illusion of Randomization (Kenneth Howard, W. M. Cox, Stephen Saunders); (8) Conceptualizing and Selecting Measures of Treatment Outcome: Implications for Drug Abuse Outcome Studies (Michael Lambert); (9) Can a Technology Model of Psychotherapy Research Be Applied to Cocaine Abuse Treatment? (Kathleen Carroll, Bruce Rounsaville); (10) Methodology: What Are the Design Issues Involved in the Defined Research Priorities? (Larry Beutler); and (11) Research Priorities for Psychotherapy and Counseling in the Treatment of Drug Abuse: The Psychotherapy Research Perspective (Perry London). (ABL)