This updated volume provides insight into health services research, as well as the emerging areas of research and the tools required to perform scientific work. The book covers topics related to performance assessment, quality improvement, health care policy, and career development. New chapters on the evaluation of non-technical skills in surgery, methods of enhancing causal inference in observational studies, and writing scientific manuscripts are also included. Health Services Research aims to give advice on how to obtain National Institutes of Health funding and other grants, as well as breaking through the barriers to developing a career in academic surgery. This book is relevant to surgical residents and young surgical faculty, as well as anyone undertaking a career in academic surgery.