A manuscript comes back from review. The methods are sound, the data are clean, and the reviewer’s first comment is: “This is an interesting case, but with n=1 and no control group, the design does not support the conclusions.” The problem is not the research. It is that the reviewer read a single-case experimental design as a case report, and nobody in the manuscript told…
Almost every researcher who reaches the synthesis stage asks the same question, usually in a panic, usually at 11pm. You have screened a few thousand records, you have five studies left, and you want to know whether that is enough. The honest answer to the minimum number of studies for meta-analysis is two, and that answer is almost useless on its own. Two studies clear…
If you have ever stared at a Methods section and wondered what to call your own study design, you are not alone. Reviewers ask for it, journals expect it in your discussion of limitations, and grant panels use it to weigh your proposal against competing ones. Levels of evidence is the term researchers use for this ranking, and it answers a narrow but important question:…
Discover the essential principles and steps of the GRADE methodology guide for evaluating evidence quality and making healthcare recommendations. Learn to apply this systematic approach.
Discover essential tools and methods for systematic review quality assessment, comparing popular frameworks to help researchers ensure rigorous and reliable research outcomes
