After a librarian completes the literature search for a Systematic Review, the next step for the researcher is Critical Appraisal. Critical appraisal involves the thorough evaluation of search results to identify the best articles on your topic. Critical Appraisal Tools (CATs) can help. Some of these tools are identified in the box to the right.
You will probably want to assign a 'level of evidence' and quality score using the tool most appropriate for your topic.