An online sample size calculator for designing partially clustered trials
Clinical Trials: Journal of the Society for Clinical Trials
Published online on January 31, 2026
Abstract
Clinical Trials, Volume 23, Issue 2, Page 225-231, April 2026.
Background:Partially clustered trials are trials that, by design, include a mixture of independent and clustered observations. For example, neonatal trials may include infants from a single, twin or triplet birth. The clustering of observations in ...
Background:Partially clustered trials are trials that, by design, include a mixture of independent and clustered observations. For example, neonatal trials may include infants from a single, twin or triplet birth. The clustering of observations in ...