BMJ How to read a paper. A series of papers on how to read and critique different types of research articles.
BMJ Statistical notes series. A series of explanatory notes on interpreting statistics in medical research. Topics include validating scales, correlation, probabilities, bootstrap resampling and many more. To access full text, go to Find an article for your institution at the library webpage, then enter 'Statistics notes'.
University of Nottingham - making sense of the numbers (AudioVisual series)
Critical Appraisal Study Programme (CASP) – Checklists for critical appraisal of different study types.
University of Glasgow General Practice and Primary Care EBP checklists
Oxford Centre for Evidence-Based Medicine (CEBM) - Critical Appraisal Tools. A variety of resources, including in languages other than English.
University of South Australia, International Centre for Allied Health Evidence – appraisal tools
Catalogue of bias - descriptions of biases that can affect studies and strategies to prevent bias occurring. Supported by Oxford CEBM
How to Use the Evidence. Handbook on how to use research evidence when preparing clinical guidelines (PDF). National Health and Medical Research Council, 2000.