Random digit dialing is designed to
A) increase the response rate in telephone surveys
B) reduce costs in telephone surveys
C) increase the representativeness of the sample in the telephone interviews
D) relate telephone sampling to street addresses rather than phone book numbers
E) provide the best cost estimates from research suppliers

Question

Quizplus · Accepted Answer

Random digit dialing is a method used in telephone surveys to increase the representativeness of the sample by generating phone numbers at random and calling them. This helps to avoid bias in the sample selection and ensure that all households have an equal chance of being included in the survey.

Random Digit Dialing Is Designed to