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The Extended Pillar Integration Process (ePIP)

A Data Integration Method Allowing the Systematic Synthesis of Findings From Three Different Sources

Bibliographic Data

ID12811562
AuthorsJulia Gauly (0000-0002-7835-0882, University of Warwick, corresponding author), Arun Ulahannan (0000-0001-7057-8041, Coventry University), Amy Grove (0000-0002-8027-7274, University of Warwick)
Year2022
Volume18
Issue1
Pages31-47
Publication date2022-10-22
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueJournal of Mixed Methods Research (JOURNAL)
Journal identifiersISSN: 1558-6898 • E-ISSN: 1558-6901
PublisherSAGE Publishing (PUBLISHER • US)
DOI10.1177/15586898221135409
OpenAlexW4307135835
LanguageEN
Citations received5
References cited34

Mixed methods research requires data integration from multiple sources. Existing techniques are restricted to integrating a maximum of two data sources, do not provide step-by-step guidance or can be cumbersome where many data need to be integrated. We have solved these limitations through the development of the extended Pillar Integration Process (ePIP), a method which contributes to the field of mixed methods by being the first data integration method providing explicit steps on how to integrate data from three data sources. The ePIP provides greater transparency, validity and consistency compared to existing methods. We provide two worked examples from health sciences and automotive human factors, highlighting its value as a mixed methods integration tool

Consistency (knowledge bases · Data integration · Data mining · Data science · Field (mathematics · Industrial engineering · Management science · Process (computing · Systems engineering · Transparency (behavior · Computer Science · Engineering · Health Policy Implementation Science · Health Systems, Economic Evaluations, Quality of Life · Mathematics · Urban Transport and Accessibility · Artificial Intelligence

  • Evidencing the relational and situated aspects of complex social systems affecting health

    Open Access•Catherine Goodfellow, Chloé Bate et al.•SSM - Mental Health•2026

  • The Benefits and Complexities of Integrating Mixed Method Findings Using the Pillar Integration Process

    Open Access•Jennifer Hall, Louise Mansfield•Journal of Mixed Methods Research•2023

  • Top Down and Bottom Up

    Open Access•Catherine Kramarczuk Voulgarides, Allison R Firestone et al.•Journal of Mixed Methods Research•2025

  • In This Issue

    Open Access•José F Molina‐Azorín, Timothy C Guetterman•Journal of Mixed Methods Research•2023

  • Unlocking the Potential of an Adapted Extended Pillar Integration Process

    Open Access•Nancy Barber, Jennifer Watermeyer et al.•Journal of Mixed Methods Research•2026

  • The Mixed Methods Research Workbook

    Michael D Fetters•The Mixed Methods Research Workbook•2020

  • Three techniques for integrating data in mixed methods studies

    Open Access•Alicia O’cathain, Elizabeth Murphy et al.•BMJ•2010

  • Integrating Quantitative and Qualitative Results in Health Science Mixed Methods Research Through Joint Displays

    Open Access•Timothy C Guetterman, Michael D Fetters et al.•The Annals of Family Medicine•2015

  • Case Study Research

    Harris Chaiklin•The Journal of Nervous and Mental…•1991

  • Achieving Integration in Mixed Methods Designs—Principles and Practices

    Open Access•Michael D Fetters, Leslie A Curry et al.•Health Services Research•2013

  • The Oxford Handbook of Multimethod and Mixed Methods Research Inquiry

    Sharlene Hesse‐biber, Sharlene Nagy Hesse-Biber et al.•Oxford Handbook of Multimethod…•2015

  • Debrief Reports to Expedite the Impact of Qualitative Research

    Open Access•Jane M Simoni, Kristin Beima‐Sofie et al.•AIDS and Behavior•2019

  • Virtual Special Issue on “Integration in Mixed Methods Research”

    Open Access•Timothy C Guetterman, José F Molina‐Azorín et al.•Journal of Mixed Methods Research•2020

  • Barriers to Integrating Quantitative and Qualitative Research

    Open Access•Alan Bryman•Journal of Mixed Methods Research•2007

  • Toward a Definition of Mixed Methods Research

    Open Access•R Burke Johnson, Anthony J Onwuegbuzie et al.•Journal of Mixed Methods Research•2007

  • The 1 + 1 = 3 Integration Challenge

    Open Access•Michael D Fetters, Dawn Freshwater•Journal of Mixed Methods Research•2015

  • Pillar Integration Process

    Open Access•Rebecca Johnson, Amy Grove et al.•Journal of Mixed Methods Research•2017

  • Mixed Methods Research in Developing Country Contexts

    Open Access•Jamelia Harris•Journal of Mixed Methods Research•2021

  • Mixed Methods Research

    Open Access•R Burke Johnson, Anthony J Onwuegbuzie•Educational Researcher•2004

  • Developing and Implementing a Triangulation Protocol for Qualitative Health Research

    Open Access•Tracy Farmer, Kerry Robinson et al.•Qualitative Health Research•2006

  • Using Joint Display as an Analytic Process

    Open Access•Tashane K Haynes-Brown, Michael D Fetters•International Journal of…•2021

  • Integrating quantitative and qualitative research

    Open Access•Alan Bryman•Qualitative Research•2006

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Unique citing works5
Citations per year1,67
Citation span2023 - 2026 (4)
Citation velocitycurrent
Highly citedNo
Citation typesNeutral: 5
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