Thoroughly revised, and fully updated for DSM-5, the new edition of this practice-focused book guides clinical psychology trainees through a field which is rapidly evolving. Through real-world exploration of the scientist-practitioner model, the book helps readers to develop the core competencies required in an increasingly interdisciplinary healthcare environment. New chapters cover brief interventions, routine monitoring of treatment progress, and managing alliance ruptures. Practical skills such as interviewing, diagnosis, assessment, treatment and case management are discussed with emphasis on the question 'how would a scientist-practitioner think and act?' By demonstrating how an evidence-base can influence every decision that a clinical psychologist makes, the book equips trainees to deliver the accountable, efficient, effective client-centred service which is demanded of professionals in the modern integrated care setting. Essential reading for all those enrolled in, or contemplating, postgraduate studies in clinical psychology.