The Cochrane Bias Methods Group (BMG) is hosted by the Centre for Evidence-Based Medicine Odense and Cochrane Denmark.

The BMG advises Cochrane on bias in randomized trials and systematic reviews. Our group contribute to the Cochrane Handbook and are responsible for Cochrane’s risk of bias tool, and coordinating methodological research. The BMG is administered by four conveners and one coordinator. BMG consists of approximately 200 global members.