HARRIS, Peter R., BREARLEY, Irina, SHEERAN, Paschal, BARKER, Margo, KLEIN, William M.P., CRESWELL, J. David, LEVINE, John M. and BOND, Rod (2014). Combining self-affirmation with implementation intentions to promote fruit and vegetable consumption. Health Psychology, 33 (7), 729-736.
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Abstract
Objective: The current study tested whether self-affirmation in the context of a threatening health message helps promote a health behavior (fruit and vegetable consumption) over a 3-month period, and whether adding a manipulation to support the translation of intentions into behavior (an implementation intentions induction) enhances the impact of self-affirmation. Methods: Participants (N = 332, 71% women) reported their baseline consumption and were randomly assigned to condition in a 2 (self-affirmation: yes, no) × 2 (implementation intentions: formed, not formed) between-subjects factorial design. They completed a self-affirmation/control task and then read a health communication advising eating at least 5 portions of fruit and vegetables daily. Next participants reported intentions for behavior change, after which they formed/did not form relevant implementation intentions. Consumption was measured again 7 days and 3 months postintervention. Results: Self-affirmed (vs. nonaffirmed) participants reported eating more fruit and vegetables at both follow-ups. Forming (vs. not forming) implementation intentions was also beneficial for consumption. At 7 days, there was also a significant self-affirmation × implementation intentions interaction: consumption was highest when self-affirmed participants also formed implementation intentions. Conclusions: The present study offers new evidence concerning the impact and durability of self-affirmation on health behaviors and the role of implementation intentions in enhancing the impact of self-affirmation.
Item Type: | Article |
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Uncontrolled Keywords: | 11 Medical and Health Sciences; 13 Education; 17 Psychology and Cognitive Sciences; Public Health |
Identification Number: | https://doi.org/10.1037/hea0000065 |
Page Range: | 729-736 |
SWORD Depositor: | Symplectic Elements |
Depositing User: | Symplectic Elements |
Date Deposited: | 10 Apr 2019 10:32 |
Last Modified: | 18 Mar 2021 05:25 |
URI: | https://shura.shu.ac.uk/id/eprint/24286 |
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