Fidelity and Its Relationship to Implementation Effectiveness, Adaptation, and Dissemination
Abstract
There is substantial variability in the implementation of evidence-based interventions across the United States, which leads to inconsistent access to evidence-based prevention and treatment strategies at a population level. Increased dissemination and implementation of evidence-based interventions could result in significant public health gains. While the availability of evidence-based interventions is increasing, study of implementation, adaptation, and dissemination has only recently gained attention in public health. To date, insufficient attention has been given to the issue of fidelity. Consideration of fidelity is necessary to balance the need for internal and external validity across the research continuum. There is also a need for a more robust literature to increase knowledge about factors that influence fidelity, strategies for maximizing fidelity, methods for measuring and analyzing fidelity, and examining sources of variability in implementation fidelity.
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Initial research considered deviations from the intervention as originally specified in a protocol or manual to be an implementation failure, even when the setting, population, or circumstances differed substantially from those of the initial experimental research.
“Initial research considered deviations from the intervention as originally specified in a protocol or manual to be an implementation failure, even when the setting, population, or circumstances differed substantially from those of the initial experimental research that had proved the intervention's effectiveness (3, 9).”
From The Sustainability of Evidence-Based Interventions and Practices in Public Health and Health Care (2018) · cites this paper as [3]
Adaptation is fairly common and often necessary.
“What is currently known, though, is that although high fidelity has been associated with positive program outcomes (34), adaptation is fairly common (3, 86, 125, 150) and often necessary.”
From The Sustainability of Evidence-Based Interventions and Practices in Public Health and Health Care (2018) · cites this paper as [3]
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- Authors
- Allen, J. D., Shelton, R. C., Emmons, K. M., & Linnan, L. A.
- Venue
- Oxford Scholarship Online
- Publisher
- Oxford University Press
- Published
- 2017-11-23
- OpenAlex
- W4239594066
- Cited by
- 24
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 5 · 2023: 3 · 2021: 4 · 2020: 3 · 2018: 3 · 2014: 1
- FWCI
- 1.79
- Type
- book
- Language
- en
- Open access
- closed
- Locations
- Oxford University Press eBooks (publishedVersion)
- Topics
- Health Sciences › Health Professions › General Health Professions › Health Policy Implementation Science
- Social Sciences › Decision Sciences › Management Science and Operations Research › Evaluation and Performance Assessment
- Health Sciences › Health Professions › General Health Professions › Health Sciences Research and Education
- Keywords
- implementation fidelity, evidence-based interventions, implementation effectiveness, adaptation, dissemination, internal validity, generalizability, fidelity assessment, implementation variability, public health interventions
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