This checklist [15] has been developed for assessing the validity of studies reporting correlations. It is based on the appraisal step of the 'Graphical appraisal tool for epidemiological studies ...

If you have to carry out several appraisals, consider preparing a standard template that can be filled in prior to the appraisal, which will help to form a basis for the process. Any good staff ...

Rather than include an exhaustive list of critical appraisal tools for each individual study design, this checklist [12] is designed to be used for randomised controlled trials, case–control studies, ...