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Compendium of dyadic behavior change techniques v2.0: results from a Delphi study
Corina Berli1, Karoline Villinger2,3, Sally Di Maio4
1Department of Health Psychology and Behavioral Medicine, Institute of Psychology, University of Bern, 3012 Bern, Switzerland.
This study developed a Compendium of Dyadic Behavior Change Techniques (DBCTs) for couples, creating a shared language for health interventions. The compendium links 219 DBCTs to mechanisms of action, aiding intervention design and reporting.
Area of Science:
- Behavioral Science
- Health Psychology
- Intervention Science
Background:
- Dyadic interventions involving romantic partners show promise for health behavior change.
- A lack of standardized terminology and systematic approaches hinders the description of dyadic behavior change techniques (DBCTs).
Purpose of the Study:
- To develop a comprehensive, expert-validated Compendium of DBCTs for health behavior change in romantic couples.
- To support the development and reporting of dyadic interventions through a shared language and systematic approach.
Main Methods:
- A two-round Delphi process involving international experts (N=20 and N=19) was employed.
- Experts rated the clarity, comprehensibility, and hypothesized mechanisms of action for DBCTs.
- An online expert discussion addressed key issues and emerging questions.
Main Results:
- The Compendium of DBCTs v2.0 includes 219 DBCTs, detailing execution, intervention task, and target.
- DBCTs are linked to 32 hypothesized proximal mechanisms of action.
- An interactive Webtool (www.dbctcompendium.com) was developed for accessibility.
Conclusions:
- The Compendium of DBCTs v2.0 provides an expert-validated classification for dyadic interventions.
- It facilitates systematic development and reporting by linking DBCTs to mechanisms of action.
- Future research should explore DBCT effectiveness and applicability to diverse dyads and behaviors.
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