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Updated: Jun 11, 2026

A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis
Published on: May 10, 2022
Eating disorder symptom severity scale: a new clinician rated measure
Katherine A Henderson1, Annick Buchholz, Julie Perkins
1Regional Eating Disorders Program, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
Abstract:
This study describes the development and validation of the clinician-rated Eating Disorder Symptom Severity Scale (EDS(3)), created to address a gap in measurement options for youth with eating disorders. The EDS(3) is modeled on the Childhood Severity and Acuity of Psychiatric Illness Scales (Lyons, J. S, 1998). Factor analysis revealed a 5-factor solution and accounted for 78% of the variance, and internal consistency within the subscales was good (Cronbach alphas: 0.69 to 0.93). The EDS(3) is a valid and reliable measure designed for clinicians to help assess the severity of a youth's eating disorder and to facilitate outcomes research.
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