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A new approach for estimating the magnitude of interviewer effects conditional on covariates: An application of a cross-classified location scale effects model

Brunton-Smith, IR, Sturgis, P and Leckie, G (2016) A new approach for estimating the magnitude of interviewer effects conditional on covariates: An application of a cross-classified location scale effects model Journal of the Royal Statistical Society Series A: Statistics in Society.

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Abstract

We propose a cross-classified mixed-effects location scale model for the analysis of interviewer effects in survey data. The model extends the standard two-way cross-classified random-intercept model (respondents nested in interviewers crossed with areas) by specifying the residual variance to be a function of covariates and an additional interviewer random effect. This extension provides a way to study interviewers’ effects on not just the ‘location’ (mean) of respondents’ responses, but additionally on their ‘scale’ (variability). It therefore allows researchers to address new questions such as: Do interviewers influence the variability of their respondents’ responses in addition to their average, and if so why? In doing so, the model facilitates a more complete and flexible assessment of the factors associated with interviewer error. We illustrate this model using data from wave 3 of the UK Household Longitudinal Survey (UKHLS), which we link to a range of interviewer characteristics measured in an independent survey of interviewers. By identifying both interviewer characteristics in general, but also specific interviewers who are associated with unusually high or low or homogeneous or heterogeneous responses, the model provides a way to inform improvements to survey quality.

Item Type: Article
Divisions : Faculty of Arts and Social Sciences > Department of Sociology
Authors :
AuthorsEmailORCID
Brunton-Smith, IRUNSPECIFIEDUNSPECIFIED
Sturgis, PUNSPECIFIEDUNSPECIFIED
Leckie, GUNSPECIFIEDUNSPECIFIED
Date : 31 December 2016
Copyright Disclaimer : This is the peer reviewed version of the following article: A new approach for estimating the magnitude of interviewer effects conditional on covariates: An application of a cross-classified location scale effects model, which will be published in final form at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-985X/. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Depositing User : Symplectic Elements
Date Deposited : 01 Apr 2016 08:02
Last Modified : 01 Apr 2016 08:02
URI: http://epubs.surrey.ac.uk/id/eprint/810076

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