London Evidence Syntheses and Research Use Seminars

The EPPI Centre and The Centre for Evaluation at the London School of Hygiene and Tropical Medicine (LSHTM) jointly host the ‘London Evidence Syntheses and Research Use Seminars’. These seminars aim to encourage discussion and information-sharing on challenges and innovations in evidence syntheses methods. 

The free of charge hybrid seminars are hosted in London but can be attended online. They take place every other month on a Wednesday between 12.30 and 13.45. They include 25-30 min presentations and plenty of time for discussion. Recordings of previous seminars:

If you have queries, would like to suggest a topic, or to be added to the mailing list to be notified of future sessions, contact

Next Seminar

We are very excited to welcome Dr Fiona Campbell to deliver the next London Evidence Synthesis and Research Use Seminar – details below.

As ever you are welcome to join us in-person or online - but Fiona is not able to join us in person and so will be delivering the seminar remotely.

  • Title: Navigating the swampy lowlands: developing methods for 'big picture' evidence synthesis
  • Speaker: Dr Fiona Campbell, Newcastle University
  • Date and time: Wednesday 15 May 2024, 12:30 - 13:45 (GMT)
  • Admission: Free, accessible online
  • In-person attendance: Manson Lecture Theatre, LSHTM, Keppel Street, London, WC1E 7HT Get Directions
  • Online attendance:

Session details:  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. 

Speaker(s): 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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