series event

Navigating the swampy lowlands: developing methods for 'big picture' evidence synthesis

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Scoping, mapping and evidence gap maps (EGMs) are an increasingly popular approach used to support decision making where a ‘Big Picture’ view of evidence is needed. There remain striking inconsistencies in the ways that terms and reference methodological guidance are used to inform approaches. There are also a range of methodological challenges, including defining the breadth of the question, large search yields, and varied types of evidence extracted and described.  This session will present an overview of research on the methods being adopted in these types of reviews and consider how apparently simple systematic processes do not match the ‘swampy, messy and confusing’ reality of undertaking a Big Picture review.  


Fiona Campbell, Newcastle University

Fiona Campbell

Fiona Campbell is a Senior Lecturer In Evidence Synthesis at the Institute of Population Health Sciences and Innovation Observatory at Newcastle University.  She is also the editor for the Campbell Child and Young Persons Wellbeing Coordinating Group and has experience in undertaking evidence synthesis to support decision making across a wide range of topics.  She has expertise in using scoping, mapping and evidence and gap map methodologies to address broad research questions and is leading methodological research in this area.  She also really enjoys building the capacity of researchers to apply these methods and is currently supporting the development of evidence and gap maps to support WHO guidance for tumour classification in pathology. 

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