A phone survey conducted with random digit dialing has all but which of the following features?
A)designation of telephone exchanges to be called
B)machine-based calling of random phone numbers
C)postcard follow-ups to those who don't answer the phone
D)screening questions to identify appropriate respondents

Question

Quizplus · Accepted Answer

Random digit dialing includes machine-based calling of random phone numbers, screening questions to identify appropriate respondents, and designation of telephone exchanges to be called. However, postcard follow-ups are not a feature commonly associated with random digit dialing - this is more commonly used in mailed surveys.

A Phone Survey Conducted with Random Digit Dialing Has All