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Related Experiment Video

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The Participant-Reported Implementation Update and Score PRIUS: A Novel Method for Capturing Implementation-Related Data Over Time
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Theory-Driven Process Evaluation of the SHINE Trial Using a Program Impact Pathway Approach.

Mduduzi N N Mbuya1, Andrew D Jones2, Robert Ntozini3

  • 1Zvitambo Institute for Maternal and Child Health Research, Harare, Zimbabwe Division of Nutritional Sciences, Cornell University, Ithaca, New York Department of International Health, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|November 26, 2015
PubMed
Summary

Intervention success hinges on aligning programs with problem causes and proper implementation. The program impact pathway (PIP) approach in the SHINE Trial tracks these factors for better public health and research outcomes.

Keywords:
intention to treatper protocolprocess evaluationprogram impact pathway

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Area of Science:

  • Public Health Interventions
  • Clinical Trial Methodology
  • Implementation Science

Background:

  • Intervention failure stems from poor alignment with problem causes (theory failure) or flawed execution (program failure).
  • These failures impact both public health initiatives and randomized controlled trials.
  • Effective evaluation requires understanding implementation fidelity and causal pathways.

Purpose of the Study:

  • To introduce and detail the program impact pathway (PIP) approach used in the Sanitation Hygiene and Infant Nutrition Efficacy (SHINE) Trial.
  • To define and measure key mediating domains within the PIP framework.
  • To explore the implications of the PIP approach for enhancing randomized trials.

Main Methods:

  • The program impact pathway (PIP) approach was developed and applied within the SHINE Trial.
  • Key mediating domains were defined and measurements established to track intervention implementation and behavior uptake.
  • The PIP framework was analyzed for its operational and analytical utility in research.

Main Results:

  • The PIP approach provides a framework for monitoring and improving intervention delivery.
  • It facilitates real-time adjustments and course correction during implementation.
  • The PIP enhances the understanding of intervention impact by analyzing mediating and modifying factors beyond intention-to-treat.

Conclusions:

  • The program impact pathway (PIP) approach offers a robust method for evaluating intervention effectiveness.
  • It improves the rigor of randomized trials by incorporating implementation and mediation analysis.
  • Utilizing the PIP can lead to more successful public health programs and scientifically sound research.