Random Digit Dialing: A Comparison to Personal Surveys

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Abstract
Abstract This article reports on the replication of a large, personal interview survey by means of a random digit dialing telephone survey. The personal interview survey was based on a complex probability sample of Cincinnati households with the field work being done by the Census Bureau during early 1974. The telephone replication was done immediately afterwards. The objective was to test the accuracy and efficiency of random digit dialing telephone surveys in comparison to the best traditional alternative. The samples were compared on demographic characteristics, measures of crime victimization, and attitudes toward crime and the police. The results were very similar, indicating that random digit dialing is an accurate and cost-effective alternative to traditional personal interviewing surveys for most research applications.

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