Behavior Change Techniques and Their Mechanisms of Action: A Synthesis of Links Described in Published Intervention Literature.
Behavior change
Behavior change technique
Evidence synthesis
Mechanism of action
Methodology
Theory
Journal
Annals of behavioral medicine : a publication of the Society of Behavioral Medicine
ISSN: 1532-4796
Titre abrégé: Ann Behav Med
Pays: England
ID NLM: 8510246
Informations de publication
Date de publication:
17 07 2019
17 07 2019
Historique:
pubmed:
12
10
2018
medline:
29
9
2020
entrez:
11
10
2018
Statut:
ppublish
Résumé
Despite advances in behavioral science, there is no widely shared understanding of the "mechanisms of action" (MoAs) through which individual behavior change techniques (BCTs) have their effects. Cumulative progress in the development, evaluation, and synthesis of behavioral interventions could be improved by identifying the MoAs through which BCTs are believed to bring about change. This study aimed to identify the links between BCTs and MoAs described by authors of a corpus of published literature. Hypothesized links between BCTs and MoAs were extracted by two coders from 277 behavior change intervention articles. Binomial tests were conducted to provide an indication of the relative frequency of each link. Of 77 BCTs coded, 70 were linked to at least one MoA. Of 26 MoAs, all but one were linked to at least one BCT. We identified 2,636 BCT-MoA links in total (mean number of links per article = 9.56, SD = 13.80). The most frequently linked MoAs were "Beliefs about Capabilities" and "Intention." Binomial test results identified up to five MoAs linked to each of the BCTs (M = 1.71, range: 1-5) and up to eight BCTs for each of the MoAs (M = 3.63, range: 1-8). The BCT-MoA links described by intervention authors and identified in this extensive review present intervention developers and reviewers with a first level of systematically collated evidence. These findings provide a resource for the development of theory-based interventions, and for theoretical understanding of intervention evaluations. The extent to which these links are empirically supported requires systematic investigation.
Sections du résumé
BACKGROUND
Despite advances in behavioral science, there is no widely shared understanding of the "mechanisms of action" (MoAs) through which individual behavior change techniques (BCTs) have their effects. Cumulative progress in the development, evaluation, and synthesis of behavioral interventions could be improved by identifying the MoAs through which BCTs are believed to bring about change.
PURPOSE
This study aimed to identify the links between BCTs and MoAs described by authors of a corpus of published literature.
METHODS
Hypothesized links between BCTs and MoAs were extracted by two coders from 277 behavior change intervention articles. Binomial tests were conducted to provide an indication of the relative frequency of each link.
RESULTS
Of 77 BCTs coded, 70 were linked to at least one MoA. Of 26 MoAs, all but one were linked to at least one BCT. We identified 2,636 BCT-MoA links in total (mean number of links per article = 9.56, SD = 13.80). The most frequently linked MoAs were "Beliefs about Capabilities" and "Intention." Binomial test results identified up to five MoAs linked to each of the BCTs (M = 1.71, range: 1-5) and up to eight BCTs for each of the MoAs (M = 3.63, range: 1-8).
CONCLUSIONS
The BCT-MoA links described by intervention authors and identified in this extensive review present intervention developers and reviewers with a first level of systematically collated evidence. These findings provide a resource for the development of theory-based interventions, and for theoretical understanding of intervention evaluations. The extent to which these links are empirically supported requires systematic investigation.
Identifiants
pubmed: 30304386
pii: 5126198
doi: 10.1093/abm/kay078
pmc: PMC6636886
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
693-707Subventions
Organisme : Medical Research Council
ID : MR/K023195/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/L011115/1
Pays : United Kingdom
Organisme : NHLBI NIH HHS
ID : T32 HL076134
Pays : United States
Informations de copyright
© The Author(s) 2018. Published by Oxford University Press on behalf of the Society of Behavioral Medicine.
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