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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Contemp Clin Trials. 2017 Oct 25;64:118–127. doi: 10.1016/j.cct.2017.10.014

Fig 6. Model of Intervention Fidelity for Physical Intervention Studies.

Fig 6

Intervention fidelity enhances confidence in scientific findings, increases power to detect effects, and facilitates hypothesis testing. The REHAB-HF trial comprehensively applies fidelity strategies consistent with the five NIH-recommended fidelity components and provides a working model for the improvement of scientific findings for physical intervention studies. MOP, Manual of Procedures; PPR, Participant Progress Report.