The Benefits of Probability-Proportional-to-Size Sampling in Cluster-Randomized Experiments

19 Feb 2020 Xiong Yeng Higgins Michael J.

In a cluster-randomized experiment, treatment is assigned to clusters of individual units of interest--households, classrooms, villages, etc.--instead of the units themselves. The number of clusters sampled and the number of units sampled within each cluster is typically restricted by a budget constraint... (read more)

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