Use this guide to find information resources about critical appraisal including checklists, books and journal articles. Articles in the BMJ that explain how to read and interpret different kinds of research papers. Aveyard H (2019) Doing a literature review in health and social care: a practical guide (4th edition), London: Open University Press.
Critical appraisal has been defined as: the process of assessing and interpreting evidence by systematically considering its validity, results, and relevance. Sometimes these questions are easy to answer. For example, imagine you are considering surgery for your 82 year old patient.