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Investigating theoretical explanations for behaviour change:the case study of ProActive

Michie, Susan and Hardeman, Wendy and Fanshawe, Thomas and Prevost, Toby and Taylor, Lyndsey and Kinmonth, Ann-Louise (2008) Investigating theoretical explanations for behaviour change:the case study of ProActive. Psychology and Health, 23 (1). pp. 25-39. ISSN 1476-8321

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Abstract

Developing more effective behavioural interventions requires an understanding of the mechanisms of behaviour change, and methods to rigorously test their theoretical basis. The delivery and theoretical basis of an intervention protocol were assessed in ProActive, a UK trial of an intervention to increase the physical activity of those at risk of Type 2 diabetes (N = 365). In 108 intervention sessions, behaviours of facilitators were mapped to four theories that informed intervention development and behaviours of participants were mapped to 17 theoretical components of these four theories. The theory base of the intervention specified by the protocol was different than that delivered by facilitators, and that received by participants. Of the intervention techniques delivered, 25% were associated with theory of planned behaviour (TPB), 42% with self-regulation theory (SRT), 24% with operant learning theory (OLT) and 9% with relapse prevention theory (RPT). The theoretical classification of participant talk showed a different pattern, with twice the proportion associated with OLT (48%), 21% associated with TPB, 31% with SRT and no talk associated with RPT. This study demonstrates one approach to assessing the extent to which the theories used to guide intervention development account for any changes observed.

Item Type: Article
Journal or Publication Title: Psychology and Health
Uncontrolled Keywords: Theory ; behaviour change ; process evaluation ; behavioural interventions ; physical activity
Subjects: UNSPECIFIED
Departments: Faculty of Health and Medicine > Medicine
ID Code: 50553
Deposited By: ep_importer_pure
Deposited On: 28 Oct 2011 09:51
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 19:40
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/50553

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