A prospective study exploring the construct and predictive validity of the COM-B model for physical activity
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AbstractThis study examined the constructs of capability, opportunity and motivation from the COM-B model and their influence on moderate-to-vigorous physical activity. Using a prospective survey design, 186 healthy adults completed measures representing the theoretical domains framework mapped to the COM-B, and moderate-to-vigorous physical activity 1 week later. The main indicators for the COM constructs were ‘habits’ (Capability), ‘subjective norms’ (Opportunity) and ‘exercise self-identity’ (Motivation). Motivation (77%) and moderate-to-vigorous physical activity (50%) were strongly predicted, with Capability and Motivation as key drivers of behaviour. Motivation was a strong mediator for Capability on behaviour. Future research should consider this approach for other populations and behaviours.
CitationHowlett, N., Schulz, J., Trivedi, D., Troop, N. A. & Chater, A. M. (2017) 'A prospective study exploring the construct and predictive validity of the COM-B model for physical activity', Journal of Health Psychology, 24 (10), pp.1378-1391.
JournalJournal of Health Psychology
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