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Theory of Planned Behaviour: the Intention-Behaviour Relationship and the Perceived Behavioural Control (PBC) Relationship with Intention and Behaviour

Stavros Kiriakidis

Abstract: The present paper is a presentation of the Theory of Planned Behaviour Ajzen [1], a model widely applied in a wide range of behavioural applications in social psychology. According to the model people behave according with their intentions and perceptions of control over the behaviour. Intentions are formulated by attitude towards the behaviour, a personal factor, and a social factor, subjective norm, perceived social pressures from significant others to perform the behaviour and the actors’ motivation to comply with the referents. Attitude and subjective norm are in turn determined by the salient beliefs people hold about the behaviour. The TPB extends the Theory of Reasoned Action (TRA) by including a third determinant of intention and behaviour, perceived behavioural control (PBC). PBC is assumed to reflect past experience with the performance of the behaviour and anticipated obstacles that could inhibit behaviour. However in terms of explanatory value, predictive accuracy and practical utility of the model it is significant when and under which conditions the intention-behaviour relationship demonstrates stability, an issue discussed in the current paper. In the same line an issue further discussed is about the moderators of the relationship of perceived behavioural control (PBC) with intention and behaviour, again with implications about the explanatory value, the predictive accuracy and the practical utility of the model.

Additional Info

  • Author(s) Name: Stavros Kiriakidis[1]
  • Author(s) Affiliation: [1]Department of Pre-School Education, University of Crete, Rethymnon, Greece
  • Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Keywords: Theory of Planned Behaviour; Intentions-Behaviour Relationship; Perceived Behavioural Control –Behaviour Relationship
  • Article Type: Research
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