https://www.researchgate.net/post/What_are_some_good_risk_of_bias_assessment_tools_for_qualitative_research

https://guides.himmelfarb.gwu.edu/systematic_review/reporting-quality-risk-of-bias

Article Unusually High Risks of COVID-19 Mortality with Age-Related ...

The above readings may be helpful. Good luck.

For qualitative validity, rigor and so on, there is the elemental tools of Lincoln and Guba (1985). Also, there is the Joanna Briggs Institute, https://jbi.global/.

Much success,

James

Hello Swe

I recommend Jonna Briggs Institute critical appraisal tools. Please see the link below:

https://jbi.global/critical-appraisal-tools