Sample size requirements to test subgroup-specific treatment effects in cluster-randomized trials

X Wang, KS Goldfeld, M Taljaard, F Li - Prevention Science, 2024 - Springer
Cluster-randomized trials (CRTs) often allocate intact clusters of participants to treatment or
control conditions and are increasingly used to evaluate healthcare delivery interventions …

[PDF][PDF] Evaluating design features and analysing the intra-cluster correlation coefficients for pupil health outcomes in school-based cluster randomised controlled trials

K Parker - 2023 - ore.exeter.ac.uk
Cluster randomised trials (CRTs) are used in schools to evaluate interventions for improving
pupil health outcomes. Little is known about the methodological practices of these studies …