G. Rathner et K. Waldherr, EATING DISORDER INVENTORY-2 - VALIDATION OF A GERMAN-LANGUAGE VERSIONWITH NORMS FOR MALE AND FEMALE ADOLESCENTS, Zeitschrift fur klinische Psychologie, Psychiatrie und Psychotherapie, 45(2), 1997, pp. 157-182
The EDI-2 (Garner 1991) is the revised version of the Eating Disorder
Inventory (Garner & Olmsted 1984) including three additional scales (A
sceticism, Impulse Regulation, and Social Insecurity) with 27 items. A
German version is now presented alongside normative and reliability d
ata derived from a consecutive adolescent anorexia nervosa sample (n =
40) and a population based Austrian control sample of 1660 subjects (
1080 girls, 580 boys aged 10-20 years). All scales except maturity fea
rs showed significant differences between patients, female, and male c
omparisons. Norms for Austrian female and male adolescents in three di
fferent age groups (10-13, 13-16, and 16-20 years) are presented. Thei
r similarity to US norms underlines the globalization of these constru
cts in adolescents. Most scales were weight and/or age dependent. In f
emales, bulimia, drive for thinness, body dissatisfaction, and ineffec
tivity subscale scores increase with weight. Maturity fears, ineffecti
vity, social insecurity, and asceticism decrease with age, whereas bod
y dissatisfaction increases. Drive for thinness in the youngest female
age group was as high as in the older ones. Although item analysis sh
owed satisfactory reliability and inter-item correlations of most of t
he items for all scales except asceticism, the addition of the three n
ew scares did not enhance reliability of the test. Thus, when brevity
of screening instrument is important, we recommend that only the eight
original scales are used.