title: Systematic evaluation of implementation fidelity of complex interventions in health and social care.
abstract: BACKGROUND
  Evaluation of an implementation process and its fidelity can give insight into the 'black box' of interventions. However, a lack of standardized methods for studying fidelity and implementation process have been reported, which might be one reason for the fact that few prior studies in the field of health service research have systematically evaluated interventions' implementation processes.The aim of this project is to systematically evaluate implementation fidelity and possible factors influencing fidelity of complex interventions in health and social care.
  
  
  METHODS
  A modified version of The Conceptual Framework for Implementation Fidelity will be used as a conceptual model for the evaluation. The modification implies two additional moderating factors: context and recruitment. A systematic evaluation process was developed. Multiple case study method is used to investigate implementation of three complex health service interventions. Each case will be investigated in depth and longitudinally, using both quantitative and qualitative methods.
  
  
  CONCLUSIONS
  This study is the first attempt to empirically test The Conceptual Framework for Implementation Fidelity. The study can highlight mechanism and factors of importance when implementing complex interventions. Especially the role of the moderating factors on implementation fidelity can be clarified.
  
  
  BACKGROUND
  Supported Employment, SE, among people with severe mental illness -- a randomized controlled trial: NCT00960024.
authors.affiliation: Lund University School of Economics and Management, Department of Business Administration, 220 07 Lund, Sweden. henna.hasson@fek.lu.se.
authors.forename: Henna
authors.initials: H
authors.lastname: Hasson
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