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Disentangling the relation between intentions, planning, and behaviour: A moderated mediation analysis
journal contribution
posted on 2023-05-17, 09:48 authored by Widemann, AU, Benjamin SchuezBenjamin Schuez, Sniehotta, F, Scholz, U, Schwarzer, RAction planning is assumed to mediate between intentions and health behaviours. Moreover, intentions are assumed to moderate the planning-behaviour relation, because people with high intentions are more likely to enact their plans. The present studies extend these suppositions by integrating both assumptions to a novel and parsimonious model of moderated mediation: the mediation effect is hypothesised to be stronger in individuals who report higher intention levels. In two longitudinal studies on physical activity (N¼124) and interdental hygiene (N¼209), intentions and action planning were assessed at baseline, and behaviour was measured four (Study 1), and respectively, three (Study 2) months later. The moderated mediation hypothesis was tested with continuously measured intentions using regression analyses with non-parametric bootstrapping. Results from both studies suggest that levels of intentions moderate the mediation process: The strength of the mediated effect increased along with levels of intentions. Planning mediates the intention-behaviour relation, if individuals hold sufficient levels of intentions. Implications for theory advancement and intervention development are discussed.
History
Publication title
Psychology and Health: An International JournalVolume
24Pagination
67-79ISSN
0887-0446Department/School
School of Psychological SciencesPublisher
Taylor & Francis LtdPlace of publication
4 Park Square, Milton Park, Abingdon, England, Oxon, Ox14 4RnRights statement
Copyright 2009 Taylor & Francis.Repository Status
- Restricted