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:: Volume 19, Issue 2 (3-2009) ::
مجله‌ی بررسی‌ها 2009, 19(2): 201-226 Back to browse issues page
Estimating Interviewer Error in Surveys
Masoomeh Movahedi *, reza Navvabpour
Abstract:   (3770 Views)

Abstract. If a survey is executed face to face by an interviewer, interviewer’s existence will have a great effect on the surveys costs and also data quality. Interviewer error occurs due to interviewers’ inaccuracy which leads to alterations in response.

In this paper besides reviewing non-sampling errors, a simulation is performed and variance if the mean is estimated for simulated data which are under the influence of interviewer error.

Also variance of estimator in an imaginary survey with applying three groups of interviewers are calculated and compared; meanwhile interviewer workload effect on estimators precision are compared too. In the end, achieved results regarding to the interviewer error are compared with classic formulas (regardless of interviewer error). Results of the simulation show that when interviewer workload increases the precision of the estimations decrease.

Keywords: Ideal condition, Interviewer error, Intra-interviewer correlation, Workload.
Full-Text [PDF 139 kb]   (1044 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/02/29 | Accepted: 2016/02/29 | Published: 2016/02/29
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Movahedi M, Navvabpour R. Estimating Interviewer Error in Surveys. مجله‌ی بررسی‌ها 2009; 19 (2) :201-226
URL: http://ijoss.srtc.ac.ir/article-1-109-en.html

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Volume 19, Issue 2 (3-2009) Back to browse issues page
مجله‌ی بررسی‌های آمار رسمی ایران Ijoss Iranian Journal of Official Statistics Studies
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