Abstract
This study aimed to adapt the Eating Disorder Diagnostic Scale-DSM 5 Version (EDDS-DSM-5) as a diagnostic and statistical tool in the Turkish population and to examine its validity and reliability. After the translation procedures were completed, a demographic form, EDDS-DSM-5, and The Eating Disorder Examination Questionnaire (EDE-Q) were administered to participants (i.e., 237 females, 84 males, and 4 non-binary). Internal reliability, test-retest reliability, concurrent validity, and factor structure of EDDS were examined. EDDS had four factors: (1) Body Concern (BC), (2) Binge Eating (BE), (3) Self-induced Compensatory Behaviors (SICB), and (4) Overeating Concern (OC), explaining the variance ranging from 8-20%. The internal reliability of the scale (α = .85) and the test-retest reliability (ICC: .97 [.93 – .98]) were found to be satisfactory. In terms of concurrent validity, the results of correlational analysis between EDDS symptom composite scores and EDE-Q total scores indicated a significant correlation (r = .61, p < .001). EDDS is a reliable and valid instrument for the Turkish sample. The current data highlighted the importance of generating additional tools which combine self-report measures with clinical observations for evaluating more complex and emotional dimensions of eating disorders other than concrete indicators.
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