Journal of Official Statistics, Vol.15, No.2, 1999. pp. 199–216
Interviewers' Calling Strategies on Face-to-Face Interview Surveys
Susan Purdon, Pamela Campanelli, and Patrick Sturgis
Abstract:In July 1995, Social and Community Planning Research (SCPR) began a programme of
research to take an in-depth look at the role of interviewers in the survey nonresponse
process. The programme is divided into three sub-projects. This article describes
the analysis undertaken for Sub-Project 2 which deals mainly with the noncontact component
of non response. The analysis is based on call record data from the random half of the
1995/96 Family Resources Survey (FRS) undertaken by SCPR. The particular aim of the
analysis is to examine how day of week and time of day of calling affect (a) the
probability of contact and (b) the probability of subsequently achieving a productive
interview. Combining these estimates with information on costs and survey designs,
definitions of efficient calling strategies can, in principle, be developed.
Keywords:Interviewer effects; noncontact rates; survey nonresponse; discrete hazard rate logistic regression.
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