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Listening Quiz: Thảo Luận về Phương Pháp Nghiên Cứu cho Khảo Sát Dân Số – Medium Level
Th2 13, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Chuyên viên phân tích chính sách (English for Policy Analyst)
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1.
What are Sarah and David mainly discussing?
A marketing campaign for a new product
A plan for a population survey and how to conduct it
A report on the results of a completed study
A disagreement about interview techniques
Explanation:
The conversation focuses on planning a population survey, including the research method, sample size, and participant selection.
2.
Why does Sarah think a mixed method will work best?
It saves time and reduces costs
It uses only interviews instead of surveys
It combines numbers and personal opinions
It guarantees every participant will respond
Explanation:
Sarah says a mixed method is best because it combines numbers and personal opinions.
3.
How many people does Sarah say they should survey at least?
One hundred
Five hundred
One thousand
Three hundred
Explanation:
Sarah says, ‘We should survey at least five hundred people.’
4.
How do Sarah and David plan to select the participants?
By choosing only experienced people
By asking volunteers to join
By selecting people from one neighborhood
By using random sampling
Explanation:
Sarah says they should use random sampling to avoid bias.
5.
What can be inferred about the survey if they use random sampling?
It will reduce the need for analysis
It will help make the survey fair and valid
It will likely be unfair and biased
It will prevent them from using interviews
Explanation:
David says random sampling makes the survey fair and valid, so that is the reasonable inference.
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