9 citations · 13 across the 13 of their papers we have counts for
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stat.ME2018
Blinded and unblinded sample size re-estimation in crossover trials balanced for period
Michael Grayling, Adrian Mander, James Wason
The determination of the sample size required by a crossover trial typically depends on the specification of one or more variance components. Uncertainty about the value of these p…
stat.ME2018
Design optimisation and post-trial analysis in group sequential stepped-wedge cluster randomised trials
Michael Grayling, David Robertson, James Wason +1
Recently, methodology was presented to facilitate the incorporation of interim analyses in stepped-wedge (SW) cluster randomised trials (CRTs). Here, we extend this previous discus…