This new book features selected papers from Paul Meehl's, Psychodiagnosis, as well as other new material. The reader is organized into five areas: Theory building and appraisal-how we discover and test the true causal relations of psy "...A valuable resource for all scientifically minded clinical psychologists as well as for all other scientific psychologists... the book provides excellent analyses of philosophy of science, the history of science, behavior genetics, descriptive psychopathology, and multivariate statistics ?Superb."-Scott Lilienfeld, Ph.D. Emory University "This volume does not just reproduce his good work, but it offers lots of extra 'goodies' like exercises, explanations, and the video."-David Rindskopf, Ph.D. Graduate Center, City University of New York