Library of risk of bias tools

GATE

Study design(s) targeted by the tool Systematic reviewssystematic-review
Additional details on designs Appraisal of systematic reviews in guideline development
Tool area Health
Link to the tool Get the GATE tool

Details

Website https://www.epiq.auckland.ac.nz/gate-workbooks-for-quantitative-studies/
Primary publication Fitzgerald A, Coop C. Validation and Modification of the Graphical Appraisal Tool for Epidemiology (GATE) for Appraising Systematic Reviews in Evidence-based Guideline Development. Health Outcomes Research in Medicine. 2011;2(1):e51-e59.
DOI doi:10.1016/j.ehrm.2010.11.001.
Guidance document
Training

None known – please contact us if you are aware of any training that should be listed here.

Language English
Translations

None known – please contact us if you are aware of any translations that should be listed here.

Record last updated 04/06/2026

Related tools and Publications

Previous versions

None

Updated versions

None

Related tools

None

Evaluations

None known – please contact us if you are aware of any evaluations that should be listed here.

Other publications

Martin A, Srihari V. Geometrically evident: framing studies using the Graphic Appraisal Tool for Epidemiology (GATE). J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1521-6.

Jackson R, Ameratunga S, Broad J, Connor J, Lethaby A, Robb G, Wells S, Glasziou P, Heneghan C. The GATE frame: critical appraisal with pictures. Evid Based Med. 2006 Apr;11(2):35-8. 

Key Criteria

Focuses on risk of bias, or makes a distinction between items that assess risk of bias and other aspects of study quality No
Offers a method to reach either a domain specific or overall assessment of risk of bias No
Tool developed for use across topic areas (i.e. not developed for specific clinical area such as physiotherapy or dentistry) Yes
Avoids recommending use of summary numerical quality scores Yes