Tuesday, 17 May 2022

Eating Disorder Diagnostic Scale

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 Disorders, 4th Edition criteria (DSM-IV, American Psychiatric Association, 1994) for all three disorders, and were adapted from the following valid structured interviews: Eating Disorder Examination and the eating disorder section of the Structured Clinical Interview for DSM Disorders. The EDDS demonstrates excellent internal consistency (α = .91) and adequate test-retest reliability over a period of one week (κ = .87). It also demonstrates construct validity by convergent mean differences of EDDS identified groups across validated measures Yale-Brown-Cornell Eating Disorder Scale, Three-Factor Eating Questionnaire, and against control groups. In addition, the EDDS demonstrates criterion validity between study interview diagnosis with the EDE and SCID, and EDDS diagnostic scores.

The measure is available online


(Stice, Hayward, Cameron, Killen, & Taylor, 2000), (Stice et al., 2000) (Stunkard & Messick, 1985) (EDE; Mazure, Halmi, Sunday, Romano, & Einhorn 1994) Stice et al., 2000   (Stice et al., 2000) (Stice, Fisher, & Martinez, 2004) (EDE, Fairbum & Cooper, 1993) (SCID; Spitzer, Williams, Gibbon, & First, 1990; Stice et al., 2000)

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