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Abstract:
The Physical Appearance Comparison Scale (PACS [14]) is the most commonly used validated measure of body-related social comparison habits. Here we investigate reliability and construct validity of the PACS in a German sample. Participants (n=75 men, n=75 women and n=25 women with a confirmed diagnosis of anorexia nervosa) completed the PACS along with measures of eating disorder pathology, body image and self-esteem. Results show an adequate internal consistency of the PACS for the female subgroups and medium to high correlations with eating disorder pathology, body image and self-esteem. PACS total score differed significantly between groups, with men scoring lowest and women with anorexia nervosa scoring highest. We conclude that the PACS is a sufficiently reliable and valid measure of body-related social comparison habits in women. In men, it should only be used with special care. The PACS is generally suitable to promote patient studies testing the role of social comparisons for the patho-mechanisms of eating disorders.
