![]() 2009), which often manifest itself as a lack of psychometric measurement invariance across cultures. However, cross-cultural differences have been detected (e.g., Waldherr et al. ![]() The EDI-2 discriminates reliably between patients and non clinical controls, and to some degree between patient groups (Garner 1991 Lee et al. In 1991, the EDI was enlarged from 64 to 91 items to measure additional general features related to asceticism (AS), impulse regulation (IR) and social insecurity (SI) (Garner 1991). The original version of the EDI was developed in 1983 by Garner, Olmsted, and Polivy comprising three subscales measuring eating disorder symptoms, i.e., drive for thinness (DT), bulimia (B) and body dissatisfaction (BD), and five more general psychological features related to eating disorders, i.e., ineffectiveness (IN), perfectionism (PE), interpersonal distrust (ID), interoceptive awareness (IA) and maturity fears (MF). The Eating Disorder Inventory (EDI) is a self-report questionnaire widely used both in research and in clinical settings to assess the symptoms and psychological features of eating disorders.
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