Response Rates to Phone Surveys-The Number of People Who Actually

Response rates to phone surveys-the number of people who actually give interviews, as compared to the number selected and solicited through a random process-have been ________.

A) declining for the past few years and now stand at about 70 percent
B) declining for many years and now stand at about 30 percent
C) increasing for the past few years and now stand at about 30 percent
D) increasing for the past few years and now stand at about 50 percent
E) increasing for many years and now stand at about 70 percent