Random digit dialing

Definition

Random digit dialing is a method used in surveys where telephone numbers are selected at random from a given population to gather data on public opinion. This technique ensures that every individual with a phone has an equal chance of being included in the survey.

Related terms

Survey Sampling: The process of selecting individuals from a population to participate in a survey.

Sampling Error: The error that occurs due to observing a sample instead of the whole population, which can lead to discrepancies between the sample's findings and the true population parameters.

Public Opinion Polls: Surveys designed to measure the opinions or attitudes of the public regarding various topics or policies