The discriminant validity of the Eating Disorder Inventory--2

C Schoemaker, M Verbraak, R Breteler, C van der Staak

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)627-9
Number of pages3
JournalBritish Journal of Clinical Psychology
Volume36
Issue number4
DOIs
Publication statusPublished - Nov 1997
Externally publishedYes

Keywords

  • Adolescent
  • Adult
  • Bulimia/diagnosis
  • Case-Control Studies
  • Discriminant Analysis
  • Female
  • Humans
  • Middle Aged
  • Psychological Tests
  • Psychometrics
  • Reproducibility of Results

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