Jorien Veldwijk|Mattijs Lambooij|Janine A. van Til|Catharina G.M. Groothuis-Oudshoorn|Henriëtte A. Smit|G. Ardine de Wit
Words or graphics to present a Discrete Choice Experiment: Does it matter?
University Medical Center Utrecht|National Institute for Public Health and the Environment|National Institute for Public Health and the Environment|University of Twente|University of Twente|University Medical Center Utrecht|University Medical Center Utrecht|National Institute for Public Health and the Environment
test whether presenting attribute levels words graphics generates different results respect attribute level interpretation relative importance participation probabilitiesparents 959 newborns completed dce questionnaire contained two versions nine choice tasks attribute levels presented words graphics five attributes related decision parents vaccinate newborn rotavirus included mixedlogit models conducted estimate relative importance attribute levelsrespondents started choice tasks words produced consistent answer patterns respondents significantly preferred words graphics partworth utilities relative importance attribute levels differed based words graphics data resulting different probabilities participate vaccinationwords preferred graphics resulted higher choice consistency showed valid attribute level estimates graphics improve respondents understanding attribute levelsfuture research use either words graphics recommended order establish guidelines develop valid presentation method attribute levels choice tasks dce