Dissonance-based interventions for health behaviour change : a systematic review

Freijy, Tanya and Kothe, Emily J. 2013, Dissonance-based interventions for health behaviour change : a systematic review, British journal of health psychology, vol. 18, no. 2, pp. 310-337.

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Title Dissonance-based interventions for health behaviour change : a systematic review
Author(s) Freijy, Tanya
Kothe, Emily J.
Journal name British journal of health psychology
Volume number 18
Issue number 2
Start page 310
End page 337
Total pages 28
Publisher John Wiley & Sons
Place of publication Chichester, England
Publication date 2013-05
ISSN 1359-107X
2044-8287
Keyword(s) health behaviour
cognitive dissonance
dissonance-based health behaviour interventions
dissonance effect
Summary Purpose Increasing evidence suggests that various health behaviours are amenable to change following the induction of cognitive dissonance. This systematic review sought to evaluate the effectiveness and methodological quality of dissonance-based health behaviour interventions and to explore identified sources of heterogeneity in intervention effects.

Methods Bibliographic databases were searched for relevant articles from inception to March 2012. Only studies targeting non-clinical health behaviour in non-clinical populations were included in the review. One author extracted data and assessed quality of evidence and a second author verified all content.

Results Reports of 20 studies were included. A variety of health behaviours and outcome measures were addressed across studies. Most studies produced one or more significant effects on measures of behaviour, attitude or intention. Across studies, methodological risk for bias was frequently high, particularly for selection bias. Gender and self-esteem were identified as potential moderator variables.

Conclusions The evidence for the effectiveness of dissonance-based interventions was generally positive. The hypocrisy paradigm was found to be the most commonly applied research paradigm and was most effective at inciting change across a range of health behaviours. There was no observable link between type of target behaviour and positive outcomes. Researchers are encouraged to minimize potential for bias in future studies and explore moderators of the dissonance effect.
Language eng
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052778

Document type: Journal Article
Collection: School of Psychology
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Created: Mon, 03 Jun 2013, 11:49:40 EST by Jane Moschetti

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