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Combining self-affirmation and implementation intentions: evidence of detrimental effects on behavioral outcomes
journal contribution
posted on 2023-06-08, 16:18 authored by Donna JessopDonna Jessop, Paul Sparks, Nicola Buckland, Pete HarrisPete Harris, Sue ChurchillBACKGROUND There is limited evidence that self-affirmation manipulations can promote health behavior change. PURPOSE The purpose of this study was to explore whether the efficacy of a self-affirmation manipulation at promoting exercise could be enhanced by an implementation intention intervention. METHODS Participants (Study 1?N?=?120, Study 2?N?=?116) were allocated to one of four conditions resulting from the two (self-affirmation manipulation: no affirmation, affirmation) by two (implementation intention manipulation: no implementation intention, implementation intention) experimental design. Exercise behavior was assessed 1 week post-intervention. RESULTS Contrary to prediction, those participants receiving both manipulations were significantly less likely to increase the amount they exercised compared to those receiving only the self-affirmation manipulation. CONCLUSION Incorporating an implementation intention manipulation alongside a self-affirmation manipulation had a detrimental effect on exercise behavior; participants receiving both manipulations exercised significantly less in the week following the intervention.
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Publication status
- Published
File Version
- Published version
Journal
Annals of Behavioral MedicineISSN
0883-6612Publisher
Springer VerlagExternal DOI
Issue
2Volume
47Page range
137-147Department affiliated with
- Psychology Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2013-11-12First Compliant Deposit (FCD) Date
2013-11-12Usage metrics
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