Which survey is most expensive because of the interviewer's time and travel expenses?
A)personal interview
B)focus groups
C)mail
D)telephone

Question

Quizplus · Accepted Answer

Personal interviews require the interviewer to physically travel to the respondents' location and spend time conducting the interview in person, making it the most expensive survey method in terms of interviewer time and travel expenses.

Which Survey Is Most Expensive Because of the Interviewer's Time