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102 CHAPTER 4

  • a.

    generalize to the population.

  • b.

    stratify the sample. select convenience samples.

  • d.

    identify the subjects used in the study

    • 3.

      It is important to have a complete description of the sample to be

able to

c.

c.

      • a.

        stratify the sample.

  • b.

    describe the population. generalize the results

  • d.

    select informative subjects.

    • 4.

      Probability sampling is to systematic sampling

sampling is to

as

nonprobability

      • a.

        stratified sampling.

      • b.

        proportional sampling.

      • c.

        disproportional sampling.

  • d.

    purposive sampling.

    • 5.

      Systematic sampling is preferred when

      • a.

        . stratified sampling is not possible.

      • b.

        certain subjects need to be selected because of their position or special knowledge.

it is not possible to number all members of the population.

c.

d. there is

in a list of the population.

6. A researcher decides to select a sample by taking simple random samples from three subgroups that have been identified from the

population. a. Proportional. b. Cluster. c. Convenience. d. Stratified.

of sampling was used?

paiodicity

What type

  • 7.

    In qualitative research the sampling procedure is most likely to be

    • a.

      purposive.

    • b.

      cluster.

    • c.

      quota.

    • d.

      systematic.

  • 8.

    If your subjects have volunteered to participate in your study, what will you need to be careful about so that the research is credible?

    • a.

      Sample size that is inadequate.

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