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Test‐retest reliability for the eating disorder inventory
Author(s) -
Wear Randall W.,
Pratz Owen
Publication year - 1987
Publication title -
international journal of eating disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.785
H-Index - 138
eISSN - 1098-108X
pISSN - 0276-3478
DOI - 10.1002/1098-108x(198711)6:6<767::aid-eat2260060611>3.0.co;2-v
Subject(s) - reliability (semiconductor) , psychology , test (biology) , internal consistency , eating disorders , psychometrics , sample (material) , clinical psychology , statistics , mathematics , paleontology , power (physics) , chemistry , physics , chromatography , quantum mechanics , biology
The Eating Disorder Inventory (EDI) has been demonstrated to have high internal consistency in the form of split‐half reliability. Demonstration of stability in the form of test‐retest reliability has been absent. Test‐retest reliability for the EDI was obtained with a sample of 70 university undergraduates. Test‐retest reliability was also obtained with a restricted group drawn from the original sample who were considered to be at risk on the basis of their EDI scores. The interval between test administrations was 3 weeks. With both samples, test‐retest reliability of the total EDI score was exceptionally high. Test‐retest reliability for the eight subscales was, with one exception, within the usual range of acceptability.