THEORIES ON Selected Contemporary Editors: DAN J. LETTIERI, Ph.D. MOLLIE SAYERS HELEN WALLENSTEIN PEARSON NIDA Research Monograph 30 DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service Alcohol, Drug Abuse, and Mental Health Administration National Institute on Drug Abuse Division of Research 5600 Fishers Lane Rockville, Maryland 20857 For sale by the Superintendent of Documents, U.S. Government Printing Office The NIDA Research Monograph series is prepared by the Division of Research of the National Institute on Drug Abuse. Its primary objective is to provide critical reviews of research problem areas and techniques, the content of state-of-the-art conferences, integrative research reviews and significant original research. Its dual publication emphasis is rapid and targeted dissemination to the scientific and professional community. Editorial Advisory Board Avram Goldstein, M.D. Addiction Research Foundation Jerome Jaffe, M.D. Medical Library HV 5801 T38 College of Physicians and Surgeons Columbia University New York Reese T. Jones, M.D. Langley Porter Neuropsychiatric Institute San Francisco, Califomia William McGlothlin, Ph.D. Department of Psychology, UCLA Los Angeles. California Jack Mendelson, M.D. Alcohol and Drug Abuse Research Center Harvard Medical School McLean Hospital Belmont, Massachusetts Helen Nowlis, Ph.D. Office of Drug Education, DHEW Washington, DC Lee Robins, Ph.D. Washington University School of Medicine St Louis, Missouri NIDA Research Monograph series William Pollin, M.D. DIRECTOR, NIDA Marvin Snyder, Ph.D. DIRECTOR, DIVISION OF RESEARCH, NIDA Robert C. Petersen, Ph.D. EDITOR-IN-CHIEF Eleanor W. Waldrop MANAGING EDITOR Parklawn Building, 5600 Fishers Lane, Rockville, Maryland 20857 The National Institute on Drug Abuse has obtained permission Cor The U.S. Government does not endorse or favor any specific FOREW A GUII Theo Library of Congress catalog card number 80-600058 DHHS publication number (ADM) 80-967 Printed 1980 NIDA Research Monographs are indexed in the Index Medicus. Publication development services provided by METROTEC, Cover art by Wendelin Astra Davidson, used with permission of the artist. Alf ΤΗ Har |