A tutorial on methodological studies: the what, when, how and why

BackgroundMethodological studies – studies that evaluate the design, analysis or reporting of other research-related reports – play an important role in health research. They help to highlight issues in the conduct of research with the aim of improving health research methodology, and ultimately reducing research waste.Main bodyWe provide an overview of some of the key aspects of methodological studies such as what they are, and when, how and …