A researcher studying small town religiosity in the United States randomly selected ten states. From these states, he randomly selected one tenth of all counties. From these counties, he randomly selected one tenth of cities with populations smaller than 10,000. From these towns, he obtained lists of all houses of worship and randomly selected three. From these, he selected ten practitioners to be interviewed. In this example, which is not a cluster?

Practitioners are not a cluster.

Explanation:

A practitioner is a person who actively takes part in research. The performance of the individual in professional field or specific area is monitored. This helps researcher to complete their research successfully.

In the above scenario, the researcher randomly selects some people to conduct research on religiosity. The life of the people who participate in the research in monitored. The people who follow worshiping are shortlisted and interviewed. The practitioners selected for the interview are not clusters, they are just selected randomly from the town.

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