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Investigating the youth physical activity promotion model: internal structure and external validity evidence for a potential measurement model

Rowe, D.A. and Raedeke, Thomas D. and Wiersma, Lenny D. (2007) Investigating the youth physical activity promotion model: internal structure and external validity evidence for a potential measurement model. Pediatric Exercise Science, 19 (4). pp. 420-435. ISSN 0899-8493

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Abstract

The purpose of the study was to investigate the measurement properties of questionnaires associated with the Youth Physical Activity Promotion (YPAP) model. Data were collected from 296 children in Grades 5¿8 using several existing questionnaires corresponding to YPAP model components, a physical activity questionnaire, and 6 consecutive days of pedometer data. Internal validity of the questionnaires was tested using confirmatory factor analyses, and external validity was investigated via correlations with physical activity and body composition. Initial model fit of the questionnaires ranged from poor to very good. After item removal, all scales demonstrated good fit. Correlations with percentage body fat and objectively measured physical activity were low but in the theoretically predicted direction. The current study provides good internal validity evidence and acceptable external validity evidence for a brief set of questionnaire items to investigate the theoretical basis for the YPAP model.

Item type: Article
ID code: 5457
Keywords: sports science, physical activity, health, exercise, Personal health and hygiene, including exercise, nutrition , Physiology
Subjects: Medicine > Public aspects of medicine > Personal health and hygiene, including exercise, nutrition
Science > Physiology
Department: Faculty of Humanities and Social Sciences (HaSS) > School of Psychological Science and Health > Physical Activity for Health
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Depositing user: Strathprints Administrator
Date Deposited: 06 Mar 2008
Last modified: 12 Mar 2012 10:42
URI: http://strathprints.strath.ac.uk/id/eprint/5457

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