Which of the Following Is an Accurate Statement with Regard

Multiple Choice

Which of the following is an accurate statement with regard to personal interviews?

A) In general they tend to be the least expensive per completed contact.
B) As the number of interviewers increases, so do problems of interviewer-related variations in responses.
C) It takes as long to get replies from a small sample as from a large sample.
D) Interviewer-induced bias is minimal.
E) They are less costly than telephone interviews.