In random digit dialing, researchers use computer generated telephone numbers, not phone books.

Question

Quizplus · Accepted Answer

Random digit dialing involves calling telephone numbers that are generated by a computer, rather than simply using phone books or directories. This method helps ensure that the sample is truly random, rather than potentially biased towards certain groups of people who are more likely to be listed in phone books.

In Random Digit Dialing, Researchers Use Computer Generated Telephone Numbers