_____ is a technique that can be used in a telephone survey to ensure random sampling.
A) Cluster sampling
B) Multistage sampling
C) Random digit dialing
D) Sequential digit dialing

Question

Quizplus · Accepted Answer

Random digit dialing is a technique used in telephone surveys to ensure random sampling by generating phone numbers at random, thus giving every potential respondent an equal chance of being selected.

_____ Is a Technique That Can Be Used in a Telephone