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Published on: August 26, 2021
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Developing a Psychological-Behavioral Intervention in Cardiac Patients Using the Multiphase Optimization Strategy:
Jeff C Huffman1,2, Rachel A Millstein1,2, Christopher M Celano1,2
1Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
Summary
The Multiphase Optimization Strategy (MOST) efficiently develops behavioral interventions. This approach, demonstrated over six years, created a positive psychology intervention to boost physical activity post-acute coronary syndrome.
Area of Science:
- Behavioral Science
- Health Psychology
- Intervention Development
Background:
- The Multiphase Optimization Strategy (MOST) provides a systematic framework for behavioral intervention development.
- MOST employs a sequence of experiments for efficient intervention preparation and optimization.
Purpose of the Study:
- To illustrate the practical challenges and decision-making processes in intervention development using a 6-year MOST-based project.
- To develop a positive psychology (PP) intervention aimed at increasing physical activity in individuals post-acute coronary syndrome.
Main Methods:
- Utilized a phased approach including qualitative, proof-of-concept, factorial design, and randomized pilot experiments.
- Iteratively modified intervention content and delivery based on experimental results and feedback.
- Developed a 12-week, phone-delivered intervention combining PP and motivational interviewing.
Main Results:
- Successfully developed a phone-delivered intervention to promote physical activity.
- Highlighted the importance of participant and interventionist feedback throughout the development process.
- Emphasized the need for systematic decision-making when faced with conflicting experimental data.
Conclusions:
- A MOST-based program can efficiently and effectively yield optimized behavioral interventions.
- Intervention development via MOST requires complex and nuanced decision-making at each phase.
- Integration of emerging approaches is crucial for multiyear intervention development projects.
Keywords:
Intervention developmentMotivational interviewingMultiphase optimization strategyOptimizationPhysical activityPositive psychologyMore Related Videos
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