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

journal contribution
posted on 2023-06-07, 19:04 authored by Paul Sparks, Carol A Guthrie
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.

History

Publication status

  • Published

Journal

Journal of Applied Social Psychology

ISSN

0021-9029

Publisher

Journal of Applied Social Psychology

Issue

15

Volume

28

Page range

1393-1410

ISBN

0021-9029

Department affiliated with

  • Psychology Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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