Davison is Professor of Psychology and Director of Clinical Training at the University of Southern California. From 1966 to 1979, he was on the psychology faculty at the State University of New York at Stony Brook. He was published widely in the general area of behavior therapy and personality, with particular emphasis on theoretical and philosophical issues, and is co-author of Clinical Behavior Therapy (1976). He is a Fellow of the American Psychological Association and has served on the executive Committee of the Division of Clinical Psychology, on the Board of Scientific Affairs, on the Committee on Scientific Awards, and on the Council of Representatives. He is also a past-president of the Association for Advancement of Behavior Therapy. He has been on the editorial board of several professional journals, including the Journal of Consulting and Clinical Psychology, Behaviour Therapy, and Cognitive Therapy and Research. John M. Neale, A Canadian, received his B.A. from the University of Toronto in 1965 and his Ph. D from Vanderbilt University in 1969. Thereafter he spent a year as Fellow in Medical Psychology at Langley Porter Neuropsychiatric Institute and sine then has been at the state University of New York at Sony Brook, where he is Professor of Psychology. His major research interests are cognitive process in schizophrenia, the study of children at high risk for the disorder, and the effects of life stress on health. He is a consulting editor for the Journal of Abnormal Psychology. In addition to being a reviewer and an active contributor to professional journals such as the Journal of Abnormal Psychology, he has coauthored four books, Science and Behaviour: An Introduction to Methods of Research, The Early Window: Effects of Television on Children and Youth, Psychology and Schizophrenia.