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Interaction effects in the theory of planned behavior: the interplay of self-identity and past behavior

Smith, Joanne R., Terry, Deborah J., Manstead, Antony Stephen Reid, Louis, Winnifred R., Kotterman, Diana and Wolfs, Jacqueline 2007. Interaction effects in the theory of planned behavior: the interplay of self-identity and past behavior. Journal of Applied Social Psychology 37 (11) , pp. 2726-2750. 10.1111/j.1559-1816.2007.00278.x

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Abstract

This research used a revised theory of planned behavior (TPB) model, which incorporated self-identity and past behavior—and the interaction between these constructs—in order to improve the model's predictive power in relation to consumer behavior (purchasing one's preferred beer). At Time 1, respondents (N = 108) completed measures of attitudes, perceived behavioral control, subjective norm, self-identity, past behavior, and intentions. Behavior was assessed 1 week later. All predictors were positively related to intentions. Self-identity and past behavior interacted to influence intentions: Self-identity had a stronger influence on intentions at low, rather than high, levels of past behavior. Intentions and past behavior were predictive of Time 2 behavior. These findings emphasize the need to consider identity issues in the TPB.

Item Type: Article
Status: Published
Schools: Psychology
ISSN: 0021-9029
Last Modified: 04 Jun 2017 04:06
URI: http://orca-mwe.cf.ac.uk/id/eprint/32792

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Cited 66 times in Google Scholar. View in Google Scholar

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