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Explain how the research team's request for the comprehensive list demonstrates their understanding of the fundamental requirements of probability sampling.
Case context: A university administration wants to conduct survey research to make highly accurate estimates about the mental health needs of their enrolled students. The research team first requests a comprehensive, official list of all currently enrolled students from the registrar's office before deciding how many students to survey.
Question: Explain how the research team's request for the comprehensive list demonstrates their understanding of the fundamental requirements of probability sampling.
Sample answer: The team's request demonstrates their understanding because probability sampling requires a clear and precise specification of the target population before sampling begins. By obtaining the comprehensive list of all enrolled students, they are defining the target population, which will allow them to mathematically specify the exact probability that each student will be selected.
Key points:
- Connects the comprehensive list to the requirement of specifying a target population.
- Recognizes that probability sampling requires this specification before sampling begins.
- Explains that a defined population is necessary to calculate the exact probability of selection for each member.
Rubric: A correct response must explain that the comprehensive list serves as the precise specification of the target population, which is required in order to mathematically determine selection probabilities for probability sampling.
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Research Methods in Psychology - 4th American Edition @ KPU
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