|
|||||
|
|
Improved standard error estimator for maintaining the validity of inference in cluster randomized trials with a small number of clusters |
|
| Authors: | Whitney P Ford Philip M Westgate |
| Institution: | Department of Biostatistics, College of Public Health, University of Kentucky, Lexington, KY, USA |
| Abstract: | |
| Keywords: | Cluster randomized trials Empirical standard error Generalized estimating equations Group randomized trials Test size |