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Updated: Sep 10, 2025
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Published on: July 27, 2022
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Using the R = MC2 heuristic to assess whole-of-school physical activity implementation in elementary schools: a
Derek W Craig1,2, Kevin Lanza3, Christopher D Pfledderer4
1Department of Health Promotion and Behavioral Sciences, UTHealth Houston School of Public Health, Houston, Texas, USA. Derek.W.Craig@uth.tmc.edu.
Summary
Schools can improve physical activity opportunities by prioritizing implementation and fostering a positive implementation climate. These factors are key to successfully adopting a whole-of-school approach for student well-being.
Area of Science:
- Public Health
- School Health Promotion
- Implementation Science
Background:
- Schools are encouraged to adopt a whole-of-school (WOS) approach to enhance physical activity.
- Barriers and facilitators to WOS implementation are not fully understood.
- The R=MC² heuristic offers a framework to assess organizational readiness for implementation.
Purpose of the Study:
- To examine the association between R=MC² heuristic constructs and the implementation of a WOS approach in U.S. elementary schools.
- To identify key factors influencing the successful adoption of school-wide physical activity initiatives.
Main Methods:
- Secondary analysis of cross-sectional data from 132 U.S. elementary schools.
- A Whole-of-School (WOS) index was created based on six physical activity practices.
- Linear regression models assessed associations between R=MC² constructs and WOS index scores.
Main Results:
- Leadership and organizational culture received the highest ratings from school staff.
- Priority and implementation climate were significantly associated with higher WOS index scores.
- Positive associations were found between all R=MC² constructs and WOS implementation.
Conclusions:
- School priority and implementation climate are crucial for successful WOS physical activity initiatives.
- Findings can inform the development of targeted resources and strategies to improve physical activity implementation in schools.
- This research supports efforts to reduce disparities and enhance the quality and accessibility of physical activity opportunities for students nationwide.
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