Decomposing intrinsic and extrinsic motivation for exercise: Application to stages of motivational readiness

Janet Buckworth, Rebecca E. Lee, Gail Regan, Lori K. Schneider, Carlo C. DiClemente

Research output: Contribution to journalArticle

77 Scopus citations

Abstract

Objectives: Two studies were conducted to evaluate the reliability and predictive validity of measures of intrinsic and extrinsic motivation for exercise, and to examine differences in motivation as a function of stage of motivational readiness for exercise. Design: A cross-sectional design was employed in study one, and a longitudinal design was used in study two. Methods: In study one, 184 healthy college students completed instruments to measure motivation and exercise stage. Intrinsic and extrinsic motivations were factor analyzed into subscales and validated in study two on a second sample of college students (n=220) by analyzing shifts in endorsement of motivation subscales from the beginning to end of the academic term. Results: In both samples, intrinsic motivation for exercise was most highly endorsed in maintenance and lowest in contemplation stage. All extrinsic motivation subscales except tangible rewards were also most highly endorsed in maintenance compared to other stages. In study two, students in activity classes (n=72) endorsed both intrinsic and extrinsic motivation more than those in lecture classes (n=70). Relative to patterns of physical activity, intrinsic motivation was greater than extrinsic motivation for the continually active group, and decreased for the continually inactive group. Exercise maintenance was fostered by greater intrinsic relative to extrinsic motivation. Conclusion: Intrinsic and extrinsic motivation can be decomposed into meaningful subfactors that are differentially related to exercise adoption and maintenance.

Original languageEnglish (US)
Pages (from-to)441-461
Number of pages21
JournalPsychology of Sport and Exercise
Volume8
Issue number4
DOIs
StatePublished - Jul 1 2007
Externally publishedYes

Keywords

  • Physical activity
  • Psychosocial inventories
  • Stage of change
  • Transtheoretical model

ASJC Scopus subject areas

  • Applied Psychology

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