THEORIES ON Selected Contemporary Editors: DAN J. LETTIERI, Ph.D. MOLLIE SAYERS HELEN WALLENSTEIN PEARSON NIDA Research Monograph 30 DEPARTMENT OF HEALTH AND HUMAN SERVlCES Alcohol. Drug Abuse, and Mental Health Administration National lnstitute on Drug Abuse Var sale by the Superintendent of Documents, U.S. Government Printing Office The NlDA Research Monograph series is prepared by the Division of Research of the National lnstitute on Drug Abuse lts 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. lts 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. College of Physicians and Surgeons Reese T. Jones, M.D. Langley Porter Neuropsychiatry institute William McGlothlin, Ph.D. Department of Psychology. UCLA Jack Mendelson, M.D. Alcohol and Drug Abuse Research Center Helen Nowlis, Ph.D. Office of Drug Education DHEW Lee Robins, Ph.D. Washington University School of Medicine NlDA Research Monograph series William Pollin, M.D. DIRECTOR, NIDA DIRECTOR, DIVISION OF RESEARCH, NIDA MANAGING EDITOR Parklawn Building. 5600 Fishers Lane. Rockville. Maryland 20857 The National lnstitute on Drug Abuse has obtained permission The U.S. Government does not endorse or favor any specific n Library of Congress catalog card number 80-600058 ^ DHHS publication number (ADM) 80-967 D; S NlDA Research Monographs are indexed in the lndex Medicus. ] C( Publication development services provided by METR0TEC, on Drug Abuse. f Ed Tl Cover art by Wendelin Astra Davidson, used with permission of the artist. ha |