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Updated: Jun 27, 2025

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Published on: February 19, 2021
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Particularity, Engagement, Actionable Inferences, Reflexivity, and Legitimation tool for rigor in mixed methods
Ahtisham Younas1, Sergi Fàbregues2
1Faculty of Nursing, Memorial University of Newfoundland, St. John's, Newfoundland, Canada.
Summary
This study introduces the PEARL tool to ensure rigor in mixed methods implementation research. PEARL provides a practical framework for enhancing the quality and impact of implementation science studies.
Area of Science:
- Implementation Science
- Mixed Methods Research
- Health Sciences Research
Background:
- Implementation science accelerates the adoption of evidence into practice.
- Mixed methods research integrates qualitative and quantitative data for comprehensive understanding.
- Ensuring rigor in mixed methods implementation research requires further development.
Purpose of the Study:
- To introduce the Particularity, Engagement, Actionable Inferences, Reflexivity, and Legitimation (PEARL) tool.
- To provide a practical framework for assessing rigor in mixed methods implementation research.
Main Methods:
- Methodological discussion based on a nurse-led mixed methods implementation study.
- Development of the PEARL tool through interpretive, critical reflection, and purposive literature review.
- Inclusion of researchers' knowledge, experiences, and published methodological papers.
Main Results:
- An exemplar exploratory sequential mixed methods study in nursing illustrates PEARL tool application.
- The PEARL tool offers a straightforward approach to understanding rigor components.
- The tool aids in designing and conducting rigorous mixed methods implementation research.
Conclusions:
- Rigorous implementation research is crucial for evidence uptake in practice and policy.
- The PEARL tool is an innovative and useful resource for researchers and students.
- PEARL establishes rigor in mixed methods implementation research within nursing and health sciences.
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