This is the second edition of a reference book that provides in-depth reviews of the quality of the leading health measurements that are used for these purposes. Its principal aim is to guide the reader in choosing among rival measurement methods and to score the instrument chosen. The book also provides a critical overview of the field of health measurement, with a technical introduction and discussion of the history and future directions for measurements in each area.The book covers measurements of physical disability, social health, psychological well-being, depression, mental status testing, pain, general health status and quality of life. Each chapter presents a tabular comparison of the quality of the instruments. This book is intended as a reference work for researchers from the medical and social sciences, and for health professionals wishing to evaluate the progress of their patients.