Posted by Froeks Kamminga (Methods Liaison Officer) on 26 November 2020

Each year, all 17 Cochrane Methods Groups prepare an Annual Report to record their main developments and achievements. This year, we are putting the Methods Groups and their contributions in the spotlight. 

Today, it's Bias. The Bias Methods Group aims to raise awareness of different sources of bias in research studies that may affect the credibility of systematic reviews. Examples include bias due to missing data, bias in measurement of outcomes, and bias due to selective reporting of results.

This year, the Group's highlight is: 

To find out more, click on the below, which will take you to the Group's summary report:

Interested in learning more about the Bias Methods Group, or any of the other Methods Groups? Join Cochrane!

(even if you're already a member of a Methods Group, please sign up to the Methods Network to update your interests)

A full overview of the outputs in methods research and development, best practice and guidance, methods implementation, as well as publications and other achievements from each of our 17 Methods Groups can be found via the links in the box below.  

Lastly, you can read the full narrative report for a summary of the key methodological developments in Cochrane over the past year.