Can Personality Bridge the Intention-behavior Gap to Predict Who Will Exercise?

Carolyn MacCann · Jemma Todd · Barbara Ann Mullan · Richard D. Roberts

33 citations0/0 files storedAmerican Journal of Health Behavior

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Behavioral Health and Interventions Physical Activity and Health Personality Traits and Psychology

Abstract

OBJECTIVES: To explore whether HEXACO personality domains could incrementally increase the prediction of exercise behavior above Theory of Planned Behavior (TPB) variables, and whether personality moderated the intention-behavior gap. METHODS: US College students (N = 1017) completed demographic, TPB, HEXACO domain and exercise behavior measures. RESULTS: The TPB predicted physical activity, accounting for 45% and 39% of variance in intention and behavior, respectively. Regarding personality domains, lower emotionality significantly predicted intention, and lower honesty-humility significantly predicted behavior, but these were small effects. Personality did not moderate the intention-behavior gap. CONCLUSIONS: Personality has a limited direct role in predicting exercise intention and behavior beyond the TPB. The prediction of exercise behavior from honesty-humility highlights the importance of considering the HEXACO personality model.

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References

1991The theory of planned behavior 1992A power primer.2001Efficacy of the Theory of Planned Behaviour: A meta‐analytic review 2004The Theory of Planned Behaviour 2002Intention—Behavior Relations: A Conceptual and Empirical Review 1996The Theory of Planned Behavior: A Review of its Applications to Health-Related Behaviors 2007Empirical, Theoretical, and Practical Advantages of the HEXACO Model of Personality Structure 2004Psychometric Properties of the HEXACO Personality Inventory

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