Appraise: Critically appraise the literature: check for validity, clinical relevance, and applicability.
"The three things to bear in mind are quality, validity, and size:
These are the criteria on which we should judge evidence. For it to be strong evidence, it has to fulfil the requirements of all three criteria."
Source: Critical Appraisal. Bandolier.
CATs are critical summaries of a research article. They are concise, standardized, and provide an appraisal of the research.
The University of Oxford's Centre for Evidence-Based Medicine provides a software program called CATMaker to download. This program guides users through the process to create one-page summaries of articles on therapy, diagnosis, prognosis, etiology/harm, and systematic reviews of therapy.