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Dissemination and Implementation Research in HealthTranslating Science to Practice$
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Ross C. Brownson, Graham A. Colditz, and Enola K. Proctor

Print publication date: 2017

Print ISBN-13: 9780190683214

Published to Oxford Scholarship Online: November 2017

DOI: 10.1093/oso/9780190683214.001.0001

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Furthering Dissemination and Implementation Research

Furthering Dissemination and Implementation Research

The Need for More Attention to External Validity

(p.301) 18 Furthering Dissemination and Implementation Research
Dissemination and Implementation Research in Health

Lawrence W. Green

Mona Nasser

Oxford University Press

This chapter raises questions about the reliability of much “evidence-based practice” disseminated from the original studies and systematic reviews of those studies, insofar as they were often conducted and reviewed with inadequate attention to external validity. Important issues are raised for dissemination and implementation researchers. Indeed, the pressure on investigators to provide for increasingly rigorous controls on threats to internal validity, and to exclude studies that fall below standards for internal validity, has made many such sources of evidence more suspect in their external validity and less credible to the practitioners or policymakers who would adopt them. Greater attention is needed to ways to incorporate considerations of external validity into studies and in systematic reviews of studies to produce more generalizable evidence, and greater attention to practice-based evidence that can complement the more formal evidence-based practices in the process of implementing and evaluating the dissemination and implementation process

Keywords:   context, evidence, external validity, internal validity, generalizability, practice-based evidence, threats to external validity

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