Questioning students as they leave a university parking lot, a researcher asks 360 students about their eating habits.

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Questioning students as they leave a university parking lot, a researcher asks 360 students about their eating habits.

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Question 11.

Identify the sampling techniques used and discuss potential sources of bias (if any). Explain. Assume the population of interest is the student body at a university.

Questioning students as they leave a university parking lot, a researcher asks 360 students about their eating habits.

What type of sampling is used?

  1. Convenience sampling is used, because students are chosen due to convenience of location.
  2. Cluster sampling is used, because students are divided into groups, groups are chosen at random, and every student in one of those groups is sampled.
  3. Stratified sampling is used, because students are divided into groups, and students are chosen at random from these groups.
  4. Systematic sampling is used, because students are selected from a list, with affixed interval between students on the list.
  5. Simple random sampling is used, because students are chosen at random.

Answer – Option 1. Convenience sampling is used because students are chosen due to convenience of location.

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