Library of risk of bias tools

CRD Guidance: RCTs

Study design(s) targeted by the tool Randomized controlled trials (RCT)randomized-controlled-trial-rct
Additional details on designs NA
Tool area Health
Link to the tool Get the CRD RCT tool

Details

Website https://www.york.ac.uk/crd/
Primary publication Systematic Reviews; CRD's guidance for undertaking reviews in health care.
DOI
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 10/06/2026

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

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

Key Criteria

Focuses on risk of bias, or makes a distinction between items that assess risk of bias and other aspects of study quality Yes
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