The initial sampling of groups of elements (clusters), followed by the selection of elements within each of the selected clusters, is called:
A) cluster sample selection
B) bifocal cluster sampling
C) multistage cluster sampling
D) cluster-biased sampling

Question

Quizplus · Accepted Answer

Multistage cluster sampling involves first selecting groups (clusters) of elements and then selecting elements within those clusters, allowing for a more efficient and manageable sampling process, especially when dealing with large populations.

The Initial Sampling of Groups of Elements (Clusters), Followed by the Selection