Theory Database - Theory 79: Theory of Planned Behaviour

Theory Database (prototype)

This is a searchable database of theories of behaviour change that have been formalised according to an Ontology-Based Modelling System.

For more information, see:

West, R., Godinho, C. A., Bohlen, L. C., Carey, R. N., Hastings, J., Lefevre, C. E., & Michie, S. (2019). Development of a formal system for representing behaviour-change theories. Nature human behaviour, 3(5), 526. doi.org/10.1038/s41562-019-0561-2.
Hale, J., Hastings, J., West, R., Lefevre, C. E., Direito, A., Connell Bohlen, L., Godinho, C., Anderson, N., Zink, S., Goarke, H., and Michie, S. (2020) An ontology-based modelling system (OBMS) for representing behaviour change theories applied to 76 theories [version 1; peer review: awaiting peer review]. Wellcome Open Research.

Theory 79: Theory of Planned Behaviour

Number of Constructs: 18
Number of Triples: 25

Theory triples

Subjective norms positively influences Intention

Attitude to the behaviour positively influences Intention

Perceived behavioural control positively influences Intention

Attitude to the behaviour influences Subjective norms

Subjective norms influences Attitude to the behaviour

Subjective norms influences the 'Perceived behavioural control' to 'Subjective norms' Influences relationship

Perceived behavioural control influences Subjective norms

Attitude to the behaviour influences Perceived behavioural control

Perceived behavioural control influences Attitude to the behaviour

Intention positively influences Behaviour

Perceived behavioural control positively influences the 'Intention' to 'Behaviour' Positively influences relationship

Outcome evaluation influences (*) Behavioural belief

Behavioural belief strength influences (*) Behavioural belief

Behavioural belief influences (+) Behavioural belief composite

Behavioural belief composite positively influences Attitude to the behaviour

Normative beliefs composite positively influences Subjective norms

Control beliefs compoosite positively influences Perceived behavioural control

Motivation to comply influences (*) Normative belief

Normative belief strength influences (*) Normative belief

Normative belief influences (+) Normative beliefs composite

Power of control factor influences (*) Control belief

Control belief strength influences (*) Control belief

Control belief influences (+) Control beliefs compoosite

Actual behavioural control positively influences Perceived behavioural control

Actual behavioural control positively influences the 'Intention' to 'Behaviour' Positively influences relationship

Theory illustration

Theory References

Ajzen, I. (1985). From Intentions to Actions: A Theory of Planned Behaviour. In J. Kuhl & J. Beckman (Eds.). Action Control: From Cognition to Behaviour (pp. 11-39). Germany: Springer-Verlag.

Ajzen, I. (1991). The Theory of Planned Behaviour. Organisational Behaviour and Human Decision Processes, 50, 179-211.

Theory Database (prototype)

Theory 79: Theory of Planned Behaviour

Theory triples

Theory illustration

Theory References