@article{Ochsner2013-03Testi-24128,
  year={2013},
  doi={10.1111/j.1758-0854.2012.01079.x},
  title={Testing Phase-specific self-efficacy beliefs in the context of dietary behaviour change},
  number={1},
  volume={5},
  issn={1758-0846},
  journal={Applied Psychology: Health and Well-Being},
  pages={99--117},
  author={Ochsner, Sibylle and Scholz, Urte and Hornung, Rainer}
}

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    <dcterms:title>Testing Phase-specific self-efficacy beliefs in the context of dietary behaviour change</dcterms:title>
    <dcterms:issued>2013-03</dcterms:issued>
    <dc:creator>Ochsner, Sibylle</dc:creator>
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    <dc:contributor>Ochsner, Sibylle</dc:contributor>
    <dc:contributor>Scholz, Urte</dc:contributor>
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    <dcterms:abstract xml:lang="deu">Background: Self-efficacy is an important predictor of health behaviour change. Within the health action process approach (HAPA; Schwarzer, 2008), motivational and volitional self-efficacy can be distinguished. Motivational self-efficacy is assumed to serve as predictor of intention formation whereas volitional self-efficacy should be relevant for behaviour change. This study examined these assumptions in a sample with overweight and obese individuals. Moreover, we tested whether behavioural intentions moderate the association between volitional self-efficacy and behaviour. Methods: Overall, 373 overweight and obese individuals completed a baseline and six months later a follow-up questionnaire on HAPA variables and dietary behaviour. Results: A factor analysis confirmed the phase-specific separation of self-efficacy. Motivational self-efficacy emerged as predictor for behavioural intentions over and above other HAPA variables after six months, whereas volitional self-efficacy did not. Volitional self-efficacy interacted with intention in the prediction of behaviour, indicating that volitional self-efficacy is only beneficial for individuals with high levels of intentions. Conclusions: The results provide evidence for the phase-specific distinction of self-efficacy in the context of dietary change in an overweight or obese sample. Thus, differentiating between motivational and volitional self-efficacy beliefs should be considered when developing future interventions of dietary change.</dcterms:abstract>
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    <dc:creator>Hornung, Rainer</dc:creator>
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    <dc:creator>Scholz, Urte</dc:creator>
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    <dc:contributor>Hornung, Rainer</dc:contributor>
    <dcterms:bibliographicCitation>Applied Psychology : Health and Well-Being ; 5 (2013), 1. - S. 99-117</dcterms:bibliographicCitation>
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