Evidence-based medicine demands that clinical outcomes are measurable and practicable. Yet mental health outcomes have always been notoriously difficult to quantify. This book guides the reader through the minefield of outcome measurement, providing the building blocks for evidence-based mental health service provision and evaluation. This new edition charts the increased range of outcome domains that are now measurable, while reflecting a new emphasis on positive outcomes and recovery, and the central role of the service user's experience. Fully revised and updated. New service-user focus and emphasis on recovery. Guide to a key aspect of evidence-based practice. With authors drawn from centres of excellence around the world, this volume will be essential for all those involved in research, commissioning and provision of mental health services.