# Improved standard error estimator for maintaining the validity of inference in cluster randomized trials with a small number of clusters

> Research article (Biometrical Journal, 2017) · cited 42× · AI/ML

**Wikidata**: [openalex:W2581601255](https://www.wikidata.org/wiki/openalex:W2581601255)  
**Source**: https://4ort.xyz/entity/improved-standard-error-estimator-for-maintaining-the-validity-of-inference-in-cluster-randomized-trials-with-a-small-nu