Test, Revision, and Cross-Validation of the Physical Activity Self-Definition Model

in Journal of Sport and Exercise Psychology
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Structural equation modeling was used to test an extended version of the Kendzierski, Furr, and Schiavoni (1998) Physical Activity Self-Definition Model. A revised model using data from 622 runners fit the data well. Cross-validation indices supported the revised model, and this model also provided a good fit to data from 397 cyclists. Partial invariance was found across activities. In both samples, perceived commitment and perceived ability had direct effects on self-definition, and perceived wanting, perceived trying, and enjoyment had indirect effects. The contribution of perceived ability to self-definition did not differ across activities. Implications concerning the original model, indirect effects, skill salience, and the role of context in self-definition are discussed.

Kendzierski is with the Department of Psychology, Villanova University, Villanova, PA. Morganstein is currently with Grant Programs in the Division of Institutional Advancement, Barry University, Miami, FL.

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