Critical appraisal is a key step in the research process. By evaluating the studies you find in your database searches, you are ensuring that you have the best evidence to use in your research.
Appraisal tools allow a clinician or researcher to assess evidence for its validity, reliability, and applicability to clinical practice. When an appraisal tool is used to evaluate an article, the article is checked for:
Below is a list of critical appraisal tools used to evaluate medical literature: