Name: When is a stepped-wedge cluster randomised trial a good design choice?
Description: Prof Hemming and Taljaard examine the stepped-wedge cluster randomised trial and determine situations in which this is preferred to other studies.

Prof Karla Hemming and Prof Monica Taljaard examine a new type of study design, the stepped-wedge cluster randomised trial, that offers the chance to improve the evidence base on which policy decisions are made. They emphasise the importance of justifying the use of a stepped-wedge cluster randomised trial and explore a number of situations that reveal potential conditions where a […]