Understanding Health Research: A Tool for Making Sense of Health Studies 

This site from UK helps you interpret and evaluate a published health research paper.

The Review a Study module guides you through a series of questions about a piece of research you have found, and helps you to evaluate the quality of the research.

The Useful Information Page will help you understand the some of different terminology and concepts used in health research.

Critical appraisal is an important step in research. You need to evaluate each article to make sure that you make the right decisions.

You can also use this checklist to evaluate what you are reading: 

For more information on Critical Appraisal see the Evidence-Based Practice: Appraisal or Systematic and Systematic-Like Reviews: Appraisal