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    Health behaviours and their facilitation under depletion conditions: The case of snacking

    235341_235341.pdf (491.6Kb)
    Access Status
    Open access
    Authors
    Sellahewa, D.
    Mullan, Barbara
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Sellahewa, D. and Mullan, B. 2015. Health behaviours and their facilitation under depletion conditions: The case of snacking. Appetite. 90: pp. 194-199.
    Source Title
    Appetite
    DOI
    10.1016/j.appet.2015.03.009
    ISSN
    0195-6663
    School
    School of Psychology and Speech Pathology
    URI
    http://hdl.handle.net/20.500.11937/33624
    Collection
    • Curtin Research Publications
    Abstract

    Introduction: Previous research suggests that depletion (the state ensuing from self-control exertion) engenders lapses in health behaviours. The present study tested for that effect in relation to the health behaviour of limiting snacking, and investigated whether health goal-priming might facilitate such health behaviours even under depletion conditions. Method: A laboratory study was conducted involving an analytic sample of 85 undergraduates (mean age = 20.08, SD = 3.96; female: n = 63). Depletion was manipulated by having participants watch a humorous video while suppressing their responses (depletion condition) or remaining natural (non-depletion condition). The activation of participants' health goals was then manipulated by subtly exposing (goal-priming condition) or not exposing (non-priming condition) participants to health-related words in a Scrambled Sentence Task. Finally, snacking was measured using a bogus taste-test. Results and discussion: Controlling for initial hunger, snacking was higher among depleted compared to non-depleted participants. Snacking was lower among primed compared to non-primed participants. The interaction between depletion and goal-priming was not significant. These findings suggest that depletion should be recognised as a risk factor for lapses in health behaviours, and that health goal-priming may be a useful technique for facilitating such behaviours even when individuals are depleted.

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