Greenhalgh (2019, p.29) advises to consider 3 key questions to get started with critical appraisal:
Take a look at each of the tabs above for more detail.
1. Why was the study needed - and what was the research question?
2. What was the research design?
3. Was the research design appropriate to the question?
See the checklists tab to select the appropriate tool to complete an in-depth appraisal.
These specially designed checklists will help you focus on the most important aspects of the article.
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