Library of risk of bias tools

MMAT

Study design(s) targeted by the tool Mixed methodsmixed-methods
Additional details on designs
Tool area Health
Link to the tool Get the MMAT tool

Details

Website http://mixedmethodsappraisaltoolpublic.pbworks.com/w/page/24607821/FrontPage
Primary publication Hong Q, Pluye P, Fàbregues S, et al. Improving the content validity of the mixed methods appraisal tool: a modified e-Delphi study. J Clin Epidemiol. 2019;111:49-59.e1. doi:10.1016/j.jclinepi.2019.03.008.
DOI 10.1016/j.jclinepi.2019.03.008
Guidance document Get the MMAT guidance
Training

Tutorial version of original MMAT 2011 tool

 

Language English
Translations

French, Brazilian Portuguese, Turkish, Chinese

 

Record last updated 20/05/2025

Related tools and Publications

Previous versions

MMAT 2011

 

Updated versions

None

Related tools

None

Evaluations

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

Other publications

Hong, Q.N., Fàbregues, S., Bartlett, G., Boardman, F., Cargo, M., Dagenais, P., Gagnon, M.-P., Griffiths, F., Nicolau, B., O’Cathain, A., Rousseau, M.-C., Vedel, I., Pluye, P. (2018). The Mixed Methods Appraisal Tool (MMAT) version 2018 for information professionals and researchers. Education for Information (Special Issue). DOI 10.3233/EFI-180221.

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 development involving a range of stakeholders from different disciplines (e.g. methodologists, statisticians, clinicians) Yes
Avoids recommending use of summary numerical quality scores Yes