In order to select a tool for critical appraisal (also known as quality assessment), it is necessary to understand what methodology was used in the study. (For help understanding study design, see this section of the guide.)
The list below sets of contains critical appraisal tools and checklists, with information about what types of studies those tools are meant for. Additionally, there are links to reporting guidelines for different types of students, which can also be useful for quality assessment.
If you're new to critical appraisal, check out this helpful video overview of some of the common tools:
The AGREE II an instrument is valid and reliable tool that can be applied to any practice guideline in any disease area and can be used by health care providers, guideline developers, researchers, decision/policy makers, and educators.
For help using the AGREE II instrument, see the AGREE II Training Tools
A collection of checklists for a number of purposes related to EBM, including finding, interpreting, and evaluating research evidence.
Found in Appendix 1 of Greenhalgh, Trisha. (2010). How to Read a Paper : The Basics of Evidence Based Medicine, 4th edition.
The CASP International Network (CASPin) is an international collaboration which supports the teaching and learning of critical appraisal skills, and in particular helps other people set up sustainable training programmes.
Appraisal tools are available for:
Systematic reviews
Randomised controlled trials
Qualitative research studies
Economic evaluation studies
Cohort studies
Case control studies
Diagnostic test studies
CEBM offers Critical Appraisal Sheets for:
Systematic Reviews
Diagnostic Accuracy Studies
Prognosis Studies
Randomised Controlled Trials (RCT)
Qualitative Studies
Individual Patient Data Systematic Reviews
JBI’s critical appraisal tools assist in assessing the trustworthiness, relevance and results of published papers. There are checklists available for:
Analytical Cross Sectional Studies
Case Control Studies
Case Reports
Case Series
Cohort Studies
Diagnostic Test Accuracy Studies
Economic Evaluations
Prevalence Studies
Qualitative Research
Quasi-Experimental Studies
Randomized Controlled Trials
Systematic Reviews
Text and Opinion
PRISMA is an evidence-based minimum set of items for reporting in systematic reviews and meta-analyses. PRISMA primarily focuses on the reporting of reviews evaluating the effects of interventions, but can also be used as a basis for reporting systematic reviews with objectives other than evaluating interventions.
There are also extensions available for scoping reviews, as well as other aspects or types of systematic reviews.
For a list of additional tools, as well as some commentary on their use, see:
Ma, L.-L., Wang, Y.-Y., Yang, Z.-H., Huang, D., Weng, H., & Zeng, X.-T. (2020). Methodological quality (risk of bias) assessment tools for primary and secondary medical studies: What are they and which is better? Military Medical Research, 7(1), 7. https://doi.org/10.1186/s40779-020-00238-8