This forward-thinking volume grapples with critical questions surrounding the mechanisms underlying mental disorders and the systems used for classifying them. Edited and written by leading international authorities, the book integrates biological and psychosocial perspectives.

Bringing together leading investigators, this comprehensive handbook is a one-stop reference for anyone planning or conducting research on personality. It provides up-to-date analyses of the rich array of methodological tools available today, giving particular attention to real-world theoretical and logistical challenges and how to overcome them. In chapters filled with detailed, practical examples, readers are shown step by step how to formulate a suitable research design, select and use high-quality measures, and manage the complexities of data analysis and interpretation. Coverage ranges...