2 papers
stat.ME2025
Getting it right: Methods for risk ratios and risk differences cluster randomized trials with a small number of clusters
Shifeng Sun, Xueqi Wang, Zhuoran Hou +1
Most cluster randomized trials (CRTs) randomize fewer than 30-40 clusters in total. When performing inference for such ``small'' CRTs, it is important to use methods that appropria…
stat.ME2025
Analysis of Stepped-Wedge Cluster Randomized Trials when treatment effects vary by exposure time or calendar time
Kenneth M. Lee, Elizabeth L. Turner, Avi Kenny
Stepped-wedge cluster randomized trials (SW-CRTs) are traditionally analyzed with models that assume an immediate and sustained treatment effect. Previous work has shown that makin…