This definitive clinical reference comprehensively reviews the most advanced methods for assessing the person in pain. The field's leading authorities present essential information and tools for evaluating psychosocial, behavioral, situational, and medical factors in patients' subjective experience, functional impairment, and response to treatment. Empirically supported instruments and procedures are detailed, including self-report measures, observational techniques, psychophysiological measures, and more. Best-practice recommendations are provided for assessing the most prevalent pain syndromes and for working with children, older adults, and people with communication difficulties. The book also weighs in on the limitations of existing methods and identifies key directions for future research. New to this edition: * concise chapters and a heightened focus on practical clinical issues * incorporates significant advances in knowledge about pain and pain syndromes * numerous new or refined assessment instruments and procedures, including applications of advanced imaging techniques * chapter providing an integrated, comprehensive assessment approach for any type of chronic pain. This book will be important reading for clinical and health psychologists, psychiatrists, clinical social workers, counselors, and nurses; pain medicine and rehabilitation specialists; public health professionals; researchers in these fields. It may also serve as a text in graduate-level courses.