Based on the authors' own varied and extensive experiences as practitioners, this clear, practical guide shows therapists and trainees how feedback can best be used to inform treatment decisions and, ultimately, improve patient outcomes. Key features include an up-to-date analysis of the current evidence base about the effectiveness of progress feedback, assessment of the advantages and disadvantages of the common feedback system, tips for having feedback conversations with patients, advice on how to deal with negative feedback, and guidance on translating theory into practice. Kim de Jong is Assistant Professor of Clinical Psychology at Leiden University, the Netherlands, and a practising therapist. Michael Barkham is Professor of Clinical Psychology at the University of Sheffield, UK, and a practising clinical psychologist. Jaime Delgadillo is Senior Lecturer in Clinical Psychology at the University of Sheffield, and a practising psychotherapist, clinical supervisor, and service manager.