Confirmatory factor analysis of the Physical Self-Efficacy Scale with a college-aged sample of men and women

Robert W. Motl, David E. Conroy

Research output: Contribution to journalArticlepeer-review


The 2-factor model proposed by Ryckman, Robbins, Thornton, and Cantrell (1982) for describing responses to the Physical Self-Efficacy Scale (PSES) was tested in a sample of male and female college students (N= 313). The factor structure was tested using confirmatory factor analysis with maximum likelihood estimation in LISREL 8.20 (Joreskog and Sorbom, 1996a). The two- factor model for the PSES may not represent an entirely acceptable fit to the data (χ2 [208, N = 313] = 410, p <. 0001, root mean square error of approximation =. 06 [90% confidence interval =. 05-.07], standardized root mean square residual =. 06, Non-Normed Fit Index =. 80, Goodness of Fit Index =. 89). Examination of the standardized residuals and modification indexes (MIs) in the factor-loading matrix identified possible problems with the proposed 2-factor model. The number of large standardized residuals suggested that the 2-factor model did not accurately predict the relations among several pairs of items, and the MIs suggested that some items may cross-load or even load on a different factor. Because the 2-factor model provided by Ryckman et al. (1982) may not represent an entirely satisfactory fit to the PSES responses of male and female college students, further research proposing and testing various solutions to PSES responses is necessary.

Original languageEnglish (US)
Pages (from-to)13-27
Number of pages15
JournalMeasurement in Physical Education and Exercise Science
Issue number1
StatePublished - 2000


  • Confirmatory factor analysis
  • Physical Self-Efficacy Scale
  • Physical activity

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation


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