Regarding the EDI-2 scales, the original ternarysome scales (Drive for Thinness, Bulimia, Body Dissatisfaction) were designed to assess attitudes and behaviors of test takers regarding their have behavior, their weight, and their general shape. The next five scales (Ineffectiveness, Perfectionism; Interpersonal Distrust; Interoceptive Awareness; Maturity Fears) were designed to assess psychological traits considered to be especially conspicuous to the development and maintenance of eating disorders. The three new scales are said to tap into more salient psychological traits, namely those of Asceticism, Impulse Regulation, and Social Insecurity.
The basic point of the test is to provide researchers, clinicians and other interested parties with a self-report measure of the attitudes and some of the psychological features commonly associated with anorexia nervosa and bulimia nervosa. The test is think for a population of people ten years and above. fit in to the test manual, the EDI-2 can be engrossd with males as come up as females; however, it is prima
It takes approximately 20 minutes to nab all items on the EDI-2. The EDI-SC takes an additional 10 minutes for a total of 30 minutes to complete the entire test packet.
Second, the provided overview showed that while the instrument has certain strengths, it alike suffers from some failings with respect to its psychometric qualities, e.g., problems with factor analytic studies, harm to provide reliableness data on patient populations; the use of a female college-age comparison savor.
Given the instrument's psychometric weaknesses, it seems likely to suggest that the problematic areas of the test need to be alter and ongoing psychometric assessment needs to be performed out front the test can be stated to have authentically fulfilled its intended purposes. Until then, it is perhaps best to use the test as one of many indicators of eating disorder.
3. No test-retest reliability studies have been conducted for patient groups.
The 11 scales of the EDI-2 were normed using a sample of 107 eating disorder patients and a comparison group constitute of college age females. The original version of the test consisting of the basic eight scales (the EDI) was normed using a sample of 782 eating disorder patients and a different comparison group.
Schinke, S. (1995). Review of the Eating Disorder take stock - 2. In J.C. Impara & J.C. Conoley (eds.), Twelfth Mental Measurements Yearbook. (p. 335) Nebraska: Buros Institute.
4. Factor analytic studies have yielded mixed results, one of which indicated that the 11 scales could be collapsed into three factors.
5. Scores successfully distinguish patient and non-patient groups (discriminant validity).
Ash,
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