Debriefing has emerged as one of the most controversial interventions in clinical psychology and psychiatry. This book constitutes an unprecedented presentation and analysis of evidence for the efficacy of psychological debriefing, in theory and application. It also appraises current research findings on the proper use of such interventions. The reader, with authoritative editorial guidance, is taken through the controversies surrounding debriefing of various kinds, in various settings, and at various levels of organizational supervision and control. Contributors include many leading international authorities in post-traumatic studies, drawing on first-hand experiences as investigators and witnesses of traumatic events and effects. From major disasters affecting large numbers or even whole communities, to individual experiences of road traffic accidents, assault, or childbirth, the range of topics and points of view presented will make this an essential reference and guide for all practitioners—whatever their point of view.