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The Impact of Mixing Modes on Reliability in Longitudinal Studies

Cernat, Alexandru (2015) 'The Impact of Mixing Modes on Reliability in Longitudinal Studies.' Sociological Methods & Research, 44 (3). pp. 427-457. ISSN 0049-1241

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Abstract

Mixed-mode designs are increasingly important in surveys, and large longitudinal studies are progressively moving to or considering such a design. In this context, our knowledge regarding the impact of mixing modes on data quality indicators in longitudinal studies is sparse. This study tries to ameliorate this situation by taking advantage of a quasi-experimental design in a longitudinal survey. Using models that estimate reliability for repeated measures, quasi-simplex models, 33 variables are analyzed by comparing a single-mode CAPI design to a sequential CATI-CAPI design. Results show no differences in reliabilities and stabilities across mixed modes either in the wave when the switch was made or in the subsequent waves. Implications and limitations are discussed.

Item Type: Article
Uncontrolled Keywords: longitudinal survey mixed modes measurement models reliability quasi-simplex models latent Markov chains CAPI CATI
Subjects: H Social Sciences > H Social Sciences (General)
H Social Sciences > HA Statistics
Divisions: Faculty of Social Sciences > Institute for Social and Economic Research
Depositing User: Jim Jamieson
Date Deposited: 16 Dec 2014 10:41
Last Modified: 21 Jul 2015 08:24
URI: http://repository.essex.ac.uk/id/eprint/12146

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