Self-identity and the theory of planned behaviour: a useful addition or an unhelpful artifice?

Sparks, Paul and Guthrie, Carol A (1998) Self-identity and the theory of planned behaviour: a useful addition or an unhelpful artifice? Journal of Applied Social Psychology, 28 (15). pp. 1393-1410. ISSN 0021-9029

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Abstract

Among the variables proposed as useful additions to the structure of the theory of planned behavior (Ajzen, 1991), there is evidence for the predictive usefulness of a measure of self-identity. In the study reported here, members of the general population in the United Kingdom (n = 235) completed a questionnaire addressing the consumption of a diet low in animal fats. The questionnaire was structured in terms of the TPB and contained additional variables that previous research has indicated to be useful predictors of intentions and behavior. A multiple regression of intentions (R-2 = .80) showed self-identification as a health-conscious consumer to have a predictive effect independent of the effects of these other variables. This effect was also found in replication studies.

Item Type: Article
Additional Information: First Author
Schools and Departments: School of Psychology > Psychology
Depositing User: Paul Sparks
Date Deposited: 06 Feb 2012 15:53
Last Modified: 16 Mar 2012 16:11
URI: http://sro.sussex.ac.uk/id/eprint/14935
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