Domino Determann|Mattijs Lambooij|Ewout W. Steyerberg|Esther W. de Bekker?Grob|G. Ardine de Wit
Impact of Survey Administration Mode on the Results of a Health-Related Discrete Choice Experiment: Online and Paper Comparison
Erasmus MC|National Institute for Public Health and the Environment|National Institute for Public Health and the Environment|Erasmus MC|Erasmus MC|University Medical Center Utrecht|National Institute for Public Health and the Environment
electronic data collection increasingly used discrete choice experiments dcesto study whether paper electronic administration results measurement effectsrespondents drawn sample frame internet panel completed nearly identical dce survey either online paper period dce preferences basic health insurance served case study used panel mixed logit models analysisin total 898 respondents completed survey 533 respondents completed survey online whereas 365 respondents returned paper survey significant differences respect sociodemographic characteristics respondents samples median response time shorter online sample paper sample smaller proportion respondents online sample satisfied number choice sets although willingness topay estimates higher online sample elicited preferences basic health insurance characteristics similar modes administrationwe find indication online surveys yield inferior results compared paperbased surveys whereas price per respondent lower online surveys researchers might want include fewer choice sets per respondent collecting dce data online findings based nonrandomized dce covers one health domain research domains needed support findings