Books by Louis G. Castonguay

Louis G. Castonguay, PhD, is Professor of Psychology at Penn State University. A past president of the North American Society for Psychotherapy Research and the International Society for Psychotherapy Research, Dr. Castonguay is a recipient of the Distinguished Psychologist Award from Division 29 (Psychotherapy) of the American Psychological Association (APA). His research and publications focus on different aspects of the process of change and training, especially in the context of psychotherapy integration. He has conducted studies on the efficacy of new integrative treatments for depression and generalized anxiety disorder, as well as effectiveness research aimed at better understanding and possibly improving psychotherapy as practice in natural settings. Thomas F. Oltmanns, PhD, is the Edgar James Swift Professor of Psychology in Arts and Sciences and Professor of Psychiatry at Washington University in St. Louis, where he is also Director of Clinical Training in Psychology. A past president of the Society for Research in Psychopathology and the Society for a Science of Clinical Psychology, Dr. Oltmanns is a recipient of the Toy Caldwell-Colbert Award for Distinguished Educator in Clinical Psychology from the Society of Clinical Psychology, Division 12 of the APA. His current research focuses on the trajectory and impact of personality disorders in middle-aged and older adults. His publications include the textbook Abnormal Psychology (coauthored with Robert E. Emery)