Applying What You Know

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Chapter 4

This activity contains 4 questions.

Discuss the differences between sampling error and sampling bias and offer an example of each.

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A researcher is interested in describing the attitudes of teachers from rural, suburban, and urban schools across Louisiana. Recommend a random sampling technique to her, defend it as an appropriate way to meet her sampling needs, and describe the specific steps you would take to actually identify subjects.

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Discuss why generalization and representativeness are important issues when using probability sampling techniques yet relatively less important when using non-probability sampling techniques.

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Choose two of the following probability sampling techniques: random sampling, cluster sampling, multi-stage cluster sampling, proportional stratified sampling, non-proportional stratified sampling, and systematic sampling. List the steps necessary to select a sample using each technique, and describe a situation in which you would use each technique.

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