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Dissertation

The Mizes Anorectic Cognitions Scale: Further validation in a clinical population

16 April 1996

Abstract

The Mizes Anorectic Cognitions scale (MAC; Mizes & Klesges, 1989) was designed to measure three assumptions thought to be associated with anorexic psychopathology. This study explored the discriminant, convergent, and divergent validity of the Mizes Anorectic Cognitions scale within a clinic population. The four treatment groups consisted of anorexics (AN), bulimics (BN), obsessive-compulsive disorder (OCD) patients, and outpatient psychiatric controls. The MAC did not distinguish between the AN and BN groups for this sample except on the Self Control subscale, on which the BN group scored higher. However, the MAC did differentiate between the combined eating disordered groups and the psychiatric control groups. The MAC total and subscale scores demonstrated high correlations with the Eating Disorder Inventory-2 total and subscale scores, and this finding supports its convergent validity. Overall, the MAC showed divergent validity in relation to both the Yale-Brown Obsessive-Compulsive Symptom Checklist (Y-BOCS-SC) and the Yale-Brown Obsessive-Compulsive Scale (Y -BOCS).


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