Practical methods for handling missing summary statistics in meta-analysis of continuous outcomes [February 2019] *Statistical Methods Group webinar* 
Chris Weir, Edinburgh Clinical Trials Unit Statistics Group, University of Edinburgh, UK
[click here for recording & accompanying materials]

Improving GRADE ‘Summary of findings’ tables for Cochrane Reviews: Detailed guidance for the calculation of absolute effect from time-to-event data [December 2018]
Dr Nicole Skoetz, Senior Editor Cochrane Cancer
Dr Elvira van Dalen, Epidemiologist at the Princess Máxima Center for Pediatric Oncology
Marius Goldkuhle, Research Associate at Cochrane Haematological Malignancies Group
[click here for recording & accompanying materials]

An Introduction to Individual Patient Data meta-analysis [November 2018]
Dr Sarah Nevitt, Statistical Editor of the Cochrane Epilepsy Group.
[click here for recording & accompanying materials]

Methods to estimate the between-study variance and to calculate uncertainty in the estimated overall effect size [October 2018]
Dr Areti Angeliki Veroniki, convenor of the Cochrane Statistical Methods Group
[click here for recording and accompanying materials]

Introducing systematic reviews of prognosis studies to Cochrane: what and how? [September 2018]
Carl Moons, clinical epidemiologist and co-convenor of the Prognosis Methods Group.
Lotty Hooft, co-director of Cochrane Netherlands and member of the Prognosis Methods Group. 
Anneke Damen, coordinator of the Prognosis Methods Group.
[click here for recording and accompanying materials]

A research program on rapid reviews: where should we venture next? *Statistical Methods Group webinar*  [August 2018]
Dr Andrea C. Tricco (PhD, MSc), Li Ka Shing Knowledge Institute of St. Michael’s Hospital, Toronto, Canada.
[click here for recording and accompanying materials]

Allowing for uncertainty due to missing outcome data in meta-analysis *Statistical Methods Group webinar*[June 2018]
Dimitris Mavridis, Department of Primary Education, University of Ioannina, Ioannina, Greece.
Anna Chaimani, Centre de Recherche Epidemiologie et Statistique Sorbonne Paris Cite (CRESS-UMR1153), Inserm / Universite Paris Descartes
[click here for recording and accompanying materials]

 

Undertaking a qualitative evidence synthesis to support decision-making in a Cochrane context​ *GESI webinar* [June 2018]
Professor Jane Noyes, Lead Convenor, Cochrane Qualitative and Implementation Methods Group
[click here for recording and accompanying materials]

 

Making sense in systematic reviews of complex interventions *GESI webinar*​ [February 2018]

Dr Jeremy Grimshaw, Senior Scientist, Ottawa Hospital Research Institute, Professor, Department of Medicine University of Ottawa, Board Chair Campbell Collaboration, Cochrane editor and author.

Kristin Danko, PhD Candidate in Epidemiology, University of Ottawa, Canada

[click here for recording and accompanying materials]

A comparison of arm-based and contrast-based approaches to network meta-analysis [June 2017]
Ian White, University College London, UK

Dr Emily Karahalios, Monash University, Australia
[click here for recording and accompanying materials]

An argument-based approach to aggregation of evidence involving multiple outcome indicators [October 2016]
Anthony Hunter, Professor of Artificial Intelligence, University College London 

Matt Williams, Consultant Oncologist, Charing Cross Hospital / Imperial College London
[click here for recording and accompanying materials]

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If you are interested in this topic, there are more online learning resources in our Cochrane methodology collection.