Chapter 4 · Sampling · Slide 132/274

Cluster Samplingalso called cluster sampling

The population is divided into exclusive clusters. Then entire clusters are selected at random and enter the sample in full.

4.2 · Probability Sampling Requires knowledge about the population

Cluster Samplingalso called cluster sampling

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Dividing the population

→

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Sample — 2 clusters

The population is divided into exclusive clusters. Then entire clusters are selected at random and enter the sample in full.

For each cluster, either all elements (one-stage) or a random subsample (two-stage) is drawn.

Good for

Covering large geographic areas Reducing (survey) costs When a complete list of elements is difficult to compile When the population consists of natural clusters (blocks, cities, schools, hospitals …)

QUESTIONSTAR · Dr. Paul Marx 132 / 274

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