Find out more about stepped wedge trials:
- What is a randomised controlled trial?
- What is a stepped wedge trial?
- The first stepped wedge trial
- Three kinds of stepped wedge trial
- Reasons for doing a stepped wedge trial
- You want everyone to have the new intervention? You don’t need a stepped wedge trial
- What to compare with what in a stepped wedge trial
- Designing stepped wedge trials efficiently
- The ethics of stepped wedge trials