Which of the following is NOT a disadvantage of telephone interviews?

Which of the following is NOT a disadvantage of telephone interviews?



A) They are more expensive to conduct than mail questionnaires.
B) Interviewer bias is introduced.
C) Under time pressures, some interviewers might cheat.
D) Interviewers can explain some questions and probe more deeply on others.
E) Potential respondents may refuse to participate.


Answer: D


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