Which of the following is needed to ensure accurate responses that reflect the feelings of the entire population?
A) Sampling bias
B) Leading questions
C) Validity
D) Representative samples
E) Online surveys
Answer: D
Explanation: D) When selecting people to participate in a survey, the most critical task is getting a representative sample of the entire population in question. For instance, if you want to know how U.S. consumers feel about something, you can't just survey a few hundred people in a shopping mall.
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