Eating Disorder Diagnostic Scale (EDDS) Stice, Telch, & Rizvi, 2000) The EDDS is a 22-item self-report measure assessing symptoms of anorexia nervosa (AN), bulimia nervosa (BN), and binge eating disorder (BED) in adults.  The EDDS can be used as a screening tool a diagnostic tool, and to monitor symptom changes over time. The EDDS was developed with a population partially of adolescents and does not include a separate adolescent version. Sample items include, “Have you felt fat?” and “Has your weight influenced how you think about (judge) yourself as a person?”  Items are rated on a variety of scales including zero (“not at all”) to six (“extreme”) for items about feelings related to gaining weight, “yes” or “no” questions for items related to different eating disorders experiences, frequency ratings for items related to average eating behaviours, and questions related to the physical symptoms of eating disorders. Items encompass the Diagnostic and Statistical Manual of Mental Diso