Abstract
Die Drive for Muscularity Scale (DMS) ist der am häufigsten verwendete Fragebogen zur Erfassung des Muskulositätsstrebens. Ziel der Studie war die psychometrische Überprüfung der deutschsprachigen Version der DMS. 601 Männer aus muskel- und kraftorientierten Sportarten wurden am Computer oder mit der Papierversion der DMS und mit weiteren Skalen befragt. Interne Konsistenz und Retest-Reliabilität der DMS liegen im sehr guten Bereich (>.88), ebenso die Korrelation mit einem Alternativtest (Male Body Attitudes Scale: .81). Muskulositäts- und Schlankheitsstreben lassen sich eindeutig differenzieren (Eating Disorder Inventory-2-DT: .11). Die durchgeführten Faktorenanalysen stützen die Einteilung in eine kognitive und eine korrelierte behaviorale Subskala. Es zeigten sich Zusammenhänge mit körperbezogenem Selbstwert und körperdysmorphen Sorgen. Die deutschsprachige DMS ist ein reliables und valides Instrument zur Erfassung des Muskulositätsstrebens in Forschung und klinischer Einzelfallanwendung.
The Drive for Muscularity Scale (DMS) is a widely used self-rating questionnaire for the assessment of the drive to gain muscle and weight. The purpose of the present study is to examine the psychometric properties of a German-language version of the DMS. We assessed 601 men who work out with weights with a computer-based or paper-pencil version of the DMS and additional scales. The DMS yielded high coefficients of internal consistency and retest reliability (>.88), as well as a high convergent validity (Male Body Attitudes Scale: .81). Drive for muscularity was only weakly correlated with drive for thinness (Eating Disorder Inventory-2-DT: .11). Results from factor analyses support the distinction of a muscularity-oriented body image and a correlated muscularity behavior subscale. We found correlations of the DMS with body esteem and dysmorphic concerns. The German-language DMS was shown to be a reliable and valid questionnaire for research and clinical single-case applications.
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