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    A brief intervention to increase physical activity behavior among adolescents using mental simulations and action planning

    250296.pdf (372.4Kb)
    Access Status
    Open access
    Authors
    Koka, A.
    Hagger, Martin
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Koka, A. and Hagger, M. 2017. A brief intervention to increase physical activity behavior among adolescents using mental simulations and action planning. Psychology, Health & Medicine. 22 (6): pp. 701-710.
    Source Title
    Psychology, Health & Medicine
    DOI
    10.1080/13548506.2016.1211298
    ISSN
    1354-8506
    School
    School of Psychology and Speech Pathology
    URI
    http://hdl.handle.net/20.500.11937/50741
    Collection
    • Curtin Research Publications
    Abstract

    This study evaluated the effectiveness of a brief integrated theory-based intervention to increase physical activity (PA) among adolescents over a three-month follow-up period. A 2 (mental simulation: present vs. absent) × 2 (action planning: present vs. absent) × 4 (time: baseline vs. one-month vs. two-month vs. three-month follow-up) mixed-model randomized controlled design was adopted. Adolescents aged 14–15 years (N = 267) completed baseline psychological measures and self-reported PA followed by the relevant intervention manipulation, if appropriate, with follow-up measures collected one, two, and three months later. Results revealed no significant effects for the mental simulation and action planning strategies nor the interaction of the two strategies. However, among participants with low levels of baseline PA, participants in both mental simulation alone and action planning alone groups reported significantly higher levels of PA at one-month follow up than other groups, suggesting that individual intervention components may be effective in low-active adolescents.

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