Which of the following may be used to overcome the problems of unlisted numbers, "Do Not Call" lists, and population members without land lines?
A) systematic sampling
B) plus-one random digit dialing
C) CATI systems
D) random digit dialing
E) an online phone directory

Question

Quizplus · Accepted Answer

Plus-one random digit dialing involves adding a random digit to the end of phone numbers in a selected area code, allowing for the inclusion of unlisted numbers and cell phone numbers. This method also avoids calling individuals on the "Do Not Call" list.

Which of the Following May Be Used to Overcome the Problems