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  • Cognitive mediation of intervention effects on physical exercise: Causal models for the adoption and maintenance stage

    Author(s)
    Fuchs, Reinhard
    Seelig, Harald
    Goehner, Wiebke
    Burton, Nicola W
    Brown, Wendy J
    Griffith University Author(s)
    Burton, Nicola W.
    Year published
    2012
    Metadata
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    Abstract
    Objective: To investigate how the effects of a group-based intervention program (MoVo-LISA) on exercise behaviour were mediated by cognitive variables. Different causal models mapping the short-term (adoption) and long-term (maintenance) intervention effects were tested using path analyses. Design: N = 220 in-patients of a rehabilitation clinic were assigned to an usual care or intervention group (quasi-experimental design). Questionnaire-based assessment was conducted at baseline; discharge; and at six weeks, six months and 12 months post discharge. Measures: The potential mediator variables were outcome expectations, ...
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    Objective: To investigate how the effects of a group-based intervention program (MoVo-LISA) on exercise behaviour were mediated by cognitive variables. Different causal models mapping the short-term (adoption) and long-term (maintenance) intervention effects were tested using path analyses. Design: N = 220 in-patients of a rehabilitation clinic were assigned to an usual care or intervention group (quasi-experimental design). Questionnaire-based assessment was conducted at baseline; discharge; and at six weeks, six months and 12 months post discharge. Measures: The potential mediator variables were outcome expectations, self-efficacy, strength of goal intention (intention strength), self-concordance, action planning and barrier management. Results: Observed intervention effects on exercise behaviour (p < 0.05) were mediated by intention strength at the adoption and maintenance stages, by action planning only at the adoption, and by barrier management only at the maintenance stage. Self-efficacy and outcome expectations were only indirectly involved in these mediations by affecting intention strength and self-concordance. Conclusion: This is the first study to track the cognitive mediation processes of intervention effects on exercise behaviour over a long time-period by differentiating the adoption and maintenance stages of behaviour change. The findings emphasise the importance of deconstructing intervention effects (modifiability vs. predictive power of a mediator) to develop more effective interventions.
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    Journal Title
    Psychology and Health
    Volume
    27
    Issue
    12
    DOI
    https://doi.org/10.1080/08870446.2012.695020
    Subject
    Cognitive Sciences not elsewhere classified
    Curriculum and Pedagogy
    Psychology
    Publication URI
    http://hdl.handle.net/10072/368317
    Collection
    • Journal articles

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