The discriminant validity of the Eating Disorder Inventory--2

The scores of 78 bulimia nervosa (BN) patients and 67 general psychiatric outpatients on the Revised Eating Disorder Inventory (EDI-2) were compared in a multivariate discriminant analysis. The bulimia scale was found to correctly classify 97 per cent of all cases. Of the EDI-2 scales thought to be...

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Bibliographic Details
Published inBritish journal of clinical psychology Vol. 36 ( Pt 4); p. 627
Main Authors Schoemaker, C, Verbraak, M, Breteler, R, van der Staak, C
Format Journal Article
LanguageEnglish
Published England 01.11.1997
Subjects
Adolescent
Adult
Bulimia - diagnosis
Case-Control Studies
Discriminant Analysis
Female
Humans
Middle Aged
Psychological Tests
Psychometrics
Reproducibility of Results
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Summary:The scores of 78 bulimia nervosa (BN) patients and 67 general psychiatric outpatients on the Revised Eating Disorder Inventory (EDI-2) were compared in a multivariate discriminant analysis. The bulimia scale was found to correctly classify 97 per cent of all cases. Of the EDI-2 scales thought to be not directly related to food and weight, only interoceptive awareness (IA) and asceticism (AS) showed discriminative validity. Three eating-related items were found to account for the discriminative value of the IA scale, and the new AS scale was found to be a discriminative extension of the EDI.
ISSN:0144-6657
DOI:10.1111/j.2044-8260.1997.tb01268.x