The split-plot design was useful for evaluating complex, multilevel interventions, but there is need for improvement in its design and report

To describe the sample size calculation, analysis and reporting of split-plot (S-P) randomized controlled trials in health care (trials that use two units of randomization: one at a cluster-level and one at a level lower than the cluster).
Source: Journal of Clinical Epidemiology - Category: Epidemiology Authors: Tags: Review Article Source Type: research