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Links Between Behavior Change Techniques and Mechanisms of Action: An Expert Consensus Study
Lauren E Connell1,2, Rachel N Carey1, Marijn de Bruin3
1Centre for Behaviour Change, University College London, London.
Behavior change experts established links between behavior change techniques (BCTs) and mechanisms of action (MoAs). This consensus provides a foundation for developing and testing effective behavioral interventions.
Area of Science:
- Behavioral Science
- Intervention Design
- Health Psychology
Background:
- Understanding how behavior change techniques (BCTs) influence behavior is crucial for effective intervention development.
- A shared understanding of mechanisms of action (MoAs) is needed to advance the field of behavioral interventions.
Purpose of the Study:
- To achieve expert consensus on the specific links between commonly used BCTs and their associated MoAs.
Main Methods:
- A modified Nominal Group Technique study involved 105 international experts.
- Experts rated, discussed, and rerated links between 61 BCTs and 26 MoAs.
- Consensus was defined as at least 80% expert agreement on a link.
Main Results:
- A matrix of 1,586 potential links between BCTs and MoAs was evaluated.
- Definite links were identified for 83.6% of BCTs and 76.9% of MoAs.
- 10 BCTs and 6 MoAs lacked definite links, indicating areas for further research.
Conclusions:
- The established matrix of BCT-MoA links serves as a foundation for behavioral intervention development and synthesis.
- This framework can guide the design of empirical studies to test intervention effectiveness.
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