Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/91914 
Year of Publication: 
2008
Series/Report no.: 
ISER Working Paper Series No. 2008-08
Publisher: 
University of Essex, Institute for Social and Economic Research (ISER), Colchester
Abstract: 
We review the methods typically used to assess the effects of mode on measurement and data comparability and then discuss some of the challenges, including 1) the need to avoid confounding effects, 2) the sensitivity of conclusions to methods of analysing experimental mode comparison data, 3) the difficulty of assessing whether measurement differences matter in practice, and 4) the assessment of which mode provides better measurement. We illustrate the challenges and implications of mixed modes research for survey design with examples from experiments conducted in the context of the European Social Survey (ESS). The paper concludes with implications for mixed modes research.
Document Type: 
Working Paper

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