Critical Appraisal of Research Evidence 101

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• Format Texts
• Language/s English
• Target Audience Further education
• EBM Stage 3 - Appraising evidence
• Duration >15 mins
• Difficulty Intermediate

Key Concepts addressed

• 2-1a Comparison groups should be similar
• 2-2a Reviews of fair comparisons should be systematic
• 3-2b Are you very different from the people studied?
• 2-3b Relative measures of effects can be misleading
• 2-3f Confidence intervals should be reported
• 2-3h Don’t confuse “no evidence” with “no effect”
• 1-2f Consider all of the relevant fair comparisons

Details

Purpose of this Guide
The purpose of this guide is to provide a brief overview of the critical appraisal process. Assessing the validity of research studies can be a complex and time-consuming undertaking. If you are conducting a lengthy evaluation, you may wish to consult more exhaustive critical appraisal resources (a list of suggested further reading has been appended to this guide). Participation in the Skills Enhancement for Public Health program offered by the Public Health Agency of Canada is recommended prior to attempting in-depth critical appraisal.

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