Core training materials

Session guide

Guide for trainers on how to deliver the session 'Assessing risk of bias in included studies'. 
Word

Presentation

Assessing risk of bias in included studies 
Preview PDF | Download PowerPoint

The presentation covers:

• risk of bias in systematic reviews
• assessing sources of bias: the RoB 2 tool
• putting the RoB 2 tool into practice
• incorporating risk of bias in a review

Activities

Additional resources

Multimedia

• What is bias and what is risk of bias? (video)
• Allocation concealment - central randomization (good practice) (video)
• Allocation concealment - sealed, opaque envelopes (good practice) (video)
• Allocation concealment - open list (poor practice) (video)
• Allocation concealment - open envelopes (poor practice) (video)
• Blinding outcome assessors - does it matter? (video)
• Recruitment bias in cluster-randomized trials (animation)
• Risk of bias (RoB 2) webinar series (recordings)

Cochrane Interactive Learning

• Module 5: Introduction to study quality and risk of bias

Cochrane Handbook for Systematic Reviews of Interventions

• Chapter 8: Assessing risk of bias in a randomized trial