From: Evaluating the performance of Bayesian and restricted maximum likelihood estimation for stepped wedge cluster randomized trials with a small number of clusters
Parameter
Meaning
Values
S
Number of clusters per sequence
1, 2, 5
T
Number of periods
5, 9
m
Number of subjects per cluster-period
10, 100
ρ1
Within-period intracluster correlation
0.05, 0.1
r
Cluster autocorrelation
0.8, 1