This book focuses on the importance of learning from single case evaluation of the therapeutic process, an approach which is very appropriate to the current demand for evidence based, managed care. A practical and realistic approach for practitioners to combine their scientific and clinical objectives of advancing knowledge and improving treatment. * Concise, practical book aimed at the professional in training and practice * Includes qualitative and quantitative methods of analysis * Focuses on single case design and evaluation as a key element in practising managed care, and controlled clinical treatment