This respected best-seller is the most scholarly and comprehensive book available for the introductory Clinical Psychology course. The text both explores and evaluates the theories behind professional practice and the major therapeutic and diagnostic techniques used by clinical psychologists. In introducing the reader to the field of clinical psychology, it covers the foundations of the field, including professional aspects, historical roots, reliance on personality theory, research methods, and concepts of deviance. It also deals with all the major aspects of assessment and treatment. Finally, in a new Part Four, it covers several of the major specialties that constitute modern clinical psychology.