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
E) Personnel training

Question

Quizplus · Accepted Answer

Random digit dialing surveys do not typically involve postcard follow-ups to those who do not answer the phone. The other features listed are common in this type of survey methodology.

A Phone Survey Conducted with Random Digit Dialing Has All