Validation of the Beliefs About Appearance Scale
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The development of measures derived from the cognitive theory of eating disorders is still in its infancy. The Beliefs About Appearance Scale (BAAS), an instrument designed to measure dysfunctional attitudes about bodily appearance, is described and validated. The reliability and validity of the BAAS were evaluated and replicated in three independent samples. The BAAS was found to be an internally-consistent, unidimensional measure that exhibited both construct and criterion-related validity. The BAAS predicted eating disorder symptomatology over time and was sensitive to interventions designed to modify appearance beliefs. The findings support the BAAS' potential utility in assessing dysfunctional attitudes about appearance.
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