Psychopathology Author:Lee Willerman, David B. Cohen This new entry in the field of clinical psychology is designed to meet the needs of today's instructors and students who are interested in investigating, questioning, discovering, and advancing the field of psychology. In it the authors have included a systematic analysis of the underlying assumptions about the causal nature of the environment: ... more »a focus on some of the more clinically and empirically substantive aspects of psychodynamic perspective; and the most comprehensive analysis of genetic concepts and methods of any abnormal psychology text.« less