A researcher randomly selects several villages and surveys every household within each selected village. Which sampling method is being used?
Correct answer: B. Cluster sampling
- A. Stratified random sampling
- B. Cluster sampling
- C. Systematic random sampling
- D. Convenience sampling
Explanation
Cluster sampling selects groups, such as villages, and studies units within the selected groups. Stratified sampling instead samples units from every relevant subgroup.
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