This groundbreaking core textbook offers a comprehensive overview of different approaches to the causes, assessment and treatment of psychological disorders. The book includes important diagnostic frameworks, including the new DSM-5-TR, ICD-11 and PDM, but also widens the scope of coverage beyond mainstream psychiatric models to include psychological, biological, historical, sociocultural and therapeutic approaches.

Contemporary and well-balanced, this book provides an even-handed and holistic foundation, allowing students to develop a strong critical mindset while retaining a robust research-driven orientation.

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