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    Using the theory of planned behaviour to measure motivation for recovery in anorexia nervosa

    204920_204920.pdf (655.7Kb)
    Access Status
    Open access
    Authors
    Dawson, Lisa
    Mullan, Barbara
    Sainsbury, Kirby
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Dawson, L. and Mullan, B. and Sainsbury, K. 2015. Using the theory of planned behaviour to measure motivation for recovery in anorexia nervosa. Appetite. 84: pp. 309-315.
    Source Title
    Appetite
    DOI
    10.1016/j.appet.2014.10.028
    ISSN
    0195-6663
    School
    School of Psychology
    Remarks

    NOTICE: this is the author’s version of a work that was accepted for publication in Appetite. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Appetite, Vol. 84 (2015). DOI: 10.1016/j.appet.2014.10.028

    URI
    http://hdl.handle.net/20.500.11937/18072
    Collection
    • Curtin Research Publications
    Abstract

    Anorexia nervosa (AN) is a difficult to treat mental illness associated with low motivation for change. Despite criticisms of the transtheoretical stages of change model, both generally and in the eating disorders (EDs), this remains the only model to have been applied to the understanding of motivation to recover from AN. The aim of this pilot study was to determine whether the theory of planned behaviour (TPB) would provide a good fit for understanding and predicting motivation to recover from AN. Two studies were conducted – in the first study eight women who had recovered from chronic AN were interviewed about their experiences of recovery. The interview data were subsequently used to inform the development of a purpose-designed questionnaire to measure the components of the TPB in relation to recovery. In the second study, the resultant measure was administered to 67 females with a current diagnosis of AN, along with measures of eating disorder psychopathology, psychological symptoms, and an existing measure of motivation to recover (based on the transtheoretical model). Data from the interview study confirmed that the TPB is an appropriate model for understanding the factors that influence motivation to recover from AN. The results of the questionnaire study indicated that the pre-intention variables of the TPB accounted for large proportions of variance in the intention to recover (72%), and more specifically the intention to eat normally and gain weight (51%). Perceived behavioural control was the strongest predictor of intention to recover, while attitudes were more important in the prediction of the intention to eat normally/gain weight. The positive results suggest that the TPB is an appropriate model for understanding and predicting motivation in AN. Implications for theory and practice are discussed.

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