Implementation fidelity in community-based interventions

Susan M. Breitenstein*, Deborah Gross, Christine A. Garvey, Carri Hill, Louis Fogg, Barbara Resnick

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

342 Scopus citations


Implementation fidelity is the degree to which an intervention is delivered as intended and is critical to successful translation of evidencebased interventions into practice. Diminished fidelity may be why interventions that work well in highly controlled trials may fail to yield the same outcomes when applied in real life contexts. The purpose of this paper is to define implementation fidelity and describe its importance for the larger science of implementation, discuss data collection methods and current efforts in measuring implementation fidelity in community-based prevention interventions, and present future research directions for measuring implementation fidelity that will advance implementation science.

Original languageEnglish (US)
Pages (from-to)164-173
Number of pages10
JournalResearch in Nursing and Health
Issue number2
StatePublished - Apr 2010


  • Fidelity
  • Implementation
  • Research translation

ASJC Scopus subject areas

  • Nursing(all)


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