Abnormal Psychology: The Science and Treatment of Psychological Disorders, 15th Edition DSM-5-TR Update Thoroughly updated to reflect the publication of the DSM-5-TR in March 2022, Abnormal Psychology, 15th Edition, carefully balances research and clinical application while engaging learners in the complex challenges faced by clinicians and scientists every day. With each new edition, the authors update and optimize the book to enhance its scholarly and pedagogical features and provide a critical understanding of key concepts in a style that is accessible, stimulating, and inclusive of clinical and theoretical concerns. The fifteenth edition features a new integrated approach that shines a light on the root causes and most effective treatments of psychopathologies from multiple, complementary perspectives. Introductory chapters give students all the background they need to understand the theories, methods, and principles used in later chapters. The importance of stigma and mental illness is discussed throughout Abnormal Psychology , and never is this more important than now, when many social ills are too easily blamed on mental illness.