Sentences with phrase «stratified cluster design»
Not exact matches
The sampling design and field methods have been described elsewhere.15 Briefly, the LSAC used a 2 - stage clustered sampling design stratified by state and by urban versus rural status, with ∼ 1 of 10 Australian postcodes ultimately included in the study.
http://pediatrics.aappublications.org/
The sample design used a stratified 2 - stage cluster of classes.