Book excerpt: An extensive and up-to-date collection and analysis of mental health ratings scales. Rating Scales in Mental Health is ideal for mental health clinicians and researchers who use psychometric instruments in their practice. The updated edition of this highly regarded compendium describes and analyzes 116 scales arranged in 20 categories, including anxiety, bipolar disorder, depression, eating disorders, geriatrics, psychosis, sexual disorders, substance abuse, and suicide risk. Material on each rating scale consists of • an overview • general applications • selected psychometric properties • references and copyright information • time needed to complete scale • a representative study Samples of many scales are included, as are tables in a quick-reference format.