Combining Self-Affirmation and Implementation Intentions: Evidence of Detrimental Effects on Behavioral Outcomes

Jessop, Donna, Sparks, Paul, Buckland, Nicola, Harris, Peter and Churchill, Susan (2013) Combining Self-Affirmation and Implementation Intentions: Evidence of Detrimental Effects on Behavioral Outcomes. Annals of Behavioral Medicine. ISSN 0883-6612

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Abstract

Background 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 1N =120, Study 2N =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.

Item Type: Article
Subjects: H Social Sciences > H Social Sciences (General)
Depositing User: Sue Churchill
Date Deposited: 15 Jul 2016 08:09
Last Modified: 09 Mar 2018 16:11
URI: http://eprints.chi.ac.uk/id/eprint/1872

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