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Open Access Publications from the University of California

An Investigation of the Response Rates in a Random Digit Dialed Telephone Survey of Southern California

  • Author(s): Dull, Valerie T.
  • Kosterman, Rick
  • et al.

The purpose of this paper is to analyze (1) the response rates of a study that surveyed white and minority populations in Southern California, (2) the effectiveness of follow-up calling on reducing non-response with associated processing times for different outcomes, (3) the differences, if any, in response rates between trained students and professional interviewers, and {4) the impact of new technology on non-response and sample processing in general. This particular project provides an ideal opportunity to shed new light on these questions because few large-scale studies of this type are performed in the region and because frequent follow-up attempts were made to households until either the interview was obtained or the study was halted.

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