首页|Assessing interviewer performance in approaching reissued initial non-respondents
Assessing interviewer performance in approaching reissued initial non-respondents
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NSTL
Many efforts are undertaken to change survey non-respondents to respondents by more attempts, tailored advance, reminder letters, incentives and bonus arrangements for interviewers. The main concern of non-response is its bias on the inference. However, studies show that correlation between non-response rates and non-response bias is not strong. Usually additional field work efforts are used to reduce the non-response rate. Reissuing initial non-respondents involves large resources and efforts. But this may not produce the intended reduction of non-response bias. To overcome this problem, a recently adaptive survey design was tested. Rsults show that implementation of these designs by putting differential field efforts to different groups can substantially reduce non-response bias. Since resources are limited, it is necessary to have a detailed analysis of fieldwork allocation. This article investigates the common practice of reissuing the groups to interviewers who have achieved higher response rates in the initial fieldwork phase and whether such reissuing reduces non-response bias.
David De Coninck、Celine Wuyts、Geert Loosveldt、Laurie Peeters
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Catholic University of Leuven, Centre for Sociological Research, Parkstraat 45,3000 Leuven, Belgium
NSTL
