# Understanding the cluster randomised crossover design: a graphical illustration of the components of variation and a sample size tutorial

> Research article (Trials, 2017) · cited 72× · AI/ML

**Wikidata**: [openalex:W2747813833](https://www.wikidata.org/wiki/openalex:W2747813833)  
**Source**: https://4ort.xyz/entity/understanding-the-cluster-randomised-crossover-design-a-graphical-illustration-of-the-components-of-variation-and-a-samp