Evidence for a multidimensional self-efficacy for exercise scale

W. M. Rodgers, T. C. Murray, P. M. Wilson, C. R. Hall, S. N. Fraser

Research output: Contribution to journalJournal Articlepeer-review

89 Citations (Scopus)

Abstract

This series of three studies considers the multidimensionality of exercise self-efficacy by examining the psychometric characteristics of an instrument designed to assess three behavioral subdomains: task, scheduling, and coping. In Study 1, exploratory factor analysis revealed the expected factor structure in a sample of 395 students. Confirmatory factor analysis (CFA) confirmed these results in a second sample of 282 students. In Study 2, the generalizability of the factor structure was confirmed with CFA in a randomly selected sample of 470 community adults, and discriminant validity was supported by theoretically consistent distinctions among exercisers and nonexercisers. In Study 3, change in self-efficacy in conjunction with adoption of novel exercise was examined in a sample of 58 women over 12 weeks. Observed changes in the three self-efficacy domains appeared to be relatively independent. Together, the three studies support a multidimensional conceptualization of exercise self-efficacy that can be assessed and appears to be sensitive to change in exercise behavior.

Original languageEnglish
Pages (from-to)222-234
Number of pages13
JournalResearch Quarterly for Exercise and Sport
Volume79
Issue number2
DOIs
Publication statusPublished - Jun. 2008

Keywords

  • Coping self-efficacy
  • Measurement
  • Scheduling self-efficacy
  • Task self-efficacy

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