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Eating Pathology and Female Sibling Relationships: Social Comparison and Competition Between Sisters

23 July 2010


The present study expanded upon current research on risk factors for eating pathology by exploring the predictive power of and correlations between variables of social comparison and competition with a sister. Seventy-one women responded to measures of general social comparison, social comparison with a sister, physical-appearance-related social comparison, general competitiveness and competitiveness with a sister, as well as a measure of eating pathology. The results suggest that competitiveness with a sister and physical-appearance-related social comparison are correlated with eating pathology. In addition, competitiveness with a sister is a significant predictor of eating pathology, and explained 30% of the variance in eating pathology in this sample. Implications for treatment and assessment are discussed.


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