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Justification, rationale and methodological approaches to realist reviews
Alice Pearsons1, Lis Neubeck1,2, Jeroen M Hendriks3,4
1Edinburgh Napier University, School of Health and Social Care, Sighthill Campus, Sighthill Court, Edinburgh EH11 4BN, UK.
European Journal of Cardiovascular Nursing
|July 26, 2022
Summary
Realist reviews explore why healthcare interventions succeed or fail by examining context and mechanisms. This theory-driven approach reveals how interventions work for specific groups under particular conditions.
Area of Science:
- Health Services Research
- Intervention Science
- Qualitative Research Methods
Background:
- Complex healthcare interventions are influenced by numerous delivery factors.
- Intervention effectiveness is context-dependent, varying across settings and populations.
- Understanding intervention mechanisms is crucial for successful implementation.
Purpose of the Study:
- To explain the utility of realist reviews in evaluating healthcare interventions.
- To highlight the importance of context and mechanisms in intervention success.
- To provide a framework for understanding intervention variability.
Main Methods:
- Utilizes a theory-driven, iterative approach.
- Focuses on understanding the 'how', 'for whom', and 'under what conditions' an intervention works.
- Emphasizes the analysis of context-mechanism-outcome configurations.
Main Results:
- Realist reviews offer a nuanced understanding beyond simple effectiveness.
- Identifies transferable and non-transferable aspects of interventions.
- Explains why interventions succeed in one setting but not another.
Conclusions:
- Realist reviews are essential for deciphering complex healthcare intervention performance.
- This methodology aids in tailoring interventions to specific contexts and populations.
- Promotes evidence-based healthcare by clarifying intervention dynamics.
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