Physical Self-Description Questionnaire: Psychometric Properties and a Miiltitrait-Meltimethod Analysis of Relations to Existing Instruments

in Journal of Sport and Exercise Psychology
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  • 1 U. Western Sydney, Macarthur
  • 2 Australian Outward Bound School
  • 3 U. Western Sydney, Macarthur
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Two samples of high school students (n = 315 and n = 395) completed the new Physical Self-Description Questionnaire (PSDQ). Confirmatory factor analysis (CFA) was used to demonstrate support for the 11 scales of physical self-concept (Strength, Body Fat, Activity, Endurance/Fitness, Sport Competence, Coordination, Health, Appearance, Flexibility, General Physical Self-Concept, and Self-Esteem) that the PSDQ is designed to measure, the replicability of its good psychometric properties in the two samples, and the replicability of the factor structure over gender. Subjects in Sample 1 also completed responses to the Physical Self-Perception Profile (Fox, 1990) and the Physical Self-Concept Scale (Richards, 1988). CFA models of this multitrait-multimethod data provided support for both the convergent and discriminant validity of responses to the three instruments. Comparisons of psychometric, theoretical, and pragmatic considerations of the three instruments led to the recommendation of the PSDQ in a wide variety of research and applied settings.

Herbert W. Marsh, Steven Johnson, Lawrence Roche, and Patsy Tremayne are with the University of Western Sydney, Macarthur, PO Box 555, Campbelltown, NSW 2560, Australia. Garry Richards is with the Australian Outward Bound School, Tharwa, ACT 2620, Australia.