The Problem of Nonresponse Due to Refusals to Participate Is

Multiple Choice

The problem of nonresponse due to refusals to participate is usually

A) lower with personal interviews than with either telephone interviews or mail-administered questionnaires.
B) lower with mail questionnaires than with telephone or personal interviews.
C) lower with telephone interviews than with mail questionnaires or personal interviews.
D) the same no matter what communication method is used.
E) None of these are correct.