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Psychometric Properties of the Commitment to Physical Activity Scale

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Objective : To assess psychometric properties of the Commitment to Physical Activity Scale (CPAS).

Methods : Girls in third to fifth grades (n 932) completed the CPAS before and after a physical activity intervention. Psychometric measures included internal consistency, factor analysis, and concurrent validity.

Results : Three CPAS factors emerged: values, attitudes, and motivation, with reliability coefficients ranging from .429 to .821. Significant correlations existed between subscales and physical activity frequency.

Conclusions : The CPAS was reliable and valid and in a sample of third-to fifth-grade girls. Findings support using the CPAS for measuring overall commitment to physical activity in girls.

Keywords: physical activity; preadolescent and adolescent females; psychosocial health

Document Type: Research Article


Affiliations: 1 Associate Professor, Department of Community & Family Health, College of Public Health, University of South Florida, Tampa, FL.

Publication date: July 1, 2009

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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