Designing stepped wedge trials to evaluate physical activity interventions in schools: methodological considerations

In a stepped wedge design, schools are randomised to a sequence of measurements, with each sequence transitioning to intervention status at a different time. There are several advantages to such designs, inclu…

​In a stepped wedge design, schools are randomised to a sequence of measurements, with each sequence transitioning to intervention status at a different time. There are several advantages to such designs, inclu… Read More