Cluster, Multistage & Multiphase Sampling YouTube Lecture Handouts

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Cluster, Multiphase & Multistage Sampling (Sampling - Research)

Cluster Sampling: to reduce work for dispersed population

  • Used to check the reliability of previously conducted survey.

Multistage Sampling: In multistage sampling, chosen clusters are again resampled.

  • In multistage sampling, clusters are usually selected using some form of random sampling.
  • Carried out in many steps.
  • Information gathered from last stage

Multiphase Sampling: gathers some information from a large sample and more detailed information from subsamples within this sample.

  • Narrowing down previous sample size based on screening tests at every level. Choices are purposeful, and the tests at each stage give meaningful information

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