Below are a number of articles written by Professor Trisha Greenhalgh to help you make sense of research papers and get started with critical appraisal.

 How to Read a Paper: Getting Your Bearings (Deciding What the Paper is About)
 How to Read a Paper: The Medline Database
 How to Read a Paper: Assessing the Methodological Quality of Published Papers
 How to Read a Paper: Papers That Go beyond Numbers (Qualitative Research)
 How to Read a Paper: Papers That Report Drug Trials
 How to Read a Paper: Papers That Report Diagnostic or Screening Tests
 How to Read a Paper: Papers That Tell You What Things Cost (Economic Analyses)
 How to Read a Paper: Statistics for the Non-Statistician. I: Different Types of Data Need Different Statistical Tests
 How to Read a Paper: Statistics for the Non-Statistician. II: “Significant” Relations and Their Pitfalls
 
The Critical Appraisal Skills Programme (CASP) have a range of check lists to help you critically appraise different types of research papers. More information and downloadable checklists are available at: http://www.casp-uk.net/

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