In this new edition, co-author, Timothy Trull, a specialist in psychopathology, clinical assessment, and personality disorders, has put together a major revision of this best-selling text. As this edition's new lead author, Trull has enhanced the book's readability, modernized its content, condensed and brightened its presentation, and added significant new material. In addition to a thoroughly updated discussion of clinical psychology, this edition sharpens its focus on empirically validated treatments and managed health care and offers increased coverage of culture and gender diversity in theory, research and practice.