Critical appraisal is the process of carefully and systematically assessing the outcome of scientific research (evidence) to judge its trustworthiness, value and relevance in a particular context. Critical appraisal looks at the way a study is conducted and examines factors such as internal validity, generalizability and relevance.
Some initial appraisal questions you could ask are:
Second, you could look at the study itself and ask the following general appraisal questions:
If you would like to critically appraise a study, we strongly recommend using the app we have developed for iOS and Android: CAT Manager App
You could also consider using the following appraisal questionnaires (checklists) for specific study designs, but we do not recommend this.