Estimating nonresponse bias and mode effects in a mixed-mode survey

Peter Lugtig, Gerty J.L.M. Lensvelt-Mulders, Remco Frerichs and Assyn Greven

In mixed-mode surveys, it is difficult to separate sample selection differences from mode-effects that can occur when respondents respond in different interview settings.

Estimating nonresponse bias and mode effects in a mixed-mode survey

Peter Lugtig

Utrecht University

Gerty J.L.M. Lensvelt-Mulders

University for the Humanistics

Remco Frerichs

TeamVier research BV

Assyn Greven

Quint result BV

Introduction

It is becoming more difficult and costly to conduct surveys among the general population (Groves 2005). This is mainly because of the fact that response rates have been slowly decreasing over the past decades (de Leeuw & de Heer 2002). Although this does not necessarily mean that coverage and non-response bias have been increasing as well (see Groves & Peytcheva 2008), survey researchers are nowadays trying to tailor...

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