Abstract
Cognitive online pretests have, in recent years, become recognized as a promising tool for evaluating questions prior to their use in actual surveys. While existing research has shown that cognitive online pretests produce similar results to face-to-face cognitive interviews with regard to the problems detected and the item revisions suggested, little is known about the ideal design of a cognitive online pretest. This study examines whether the number of open-ended probing questions asked during a cognitive online pretest has an effect on the quality and depth of respondents’ answers as well as on respondents’ satisfaction with the survey. We conducted an experiment in which we varied the number of open-ended probing questions that respondents received during a cognitive online pretest. The questionnaire consisted of 26 survey questions, and respondents received either 13 probing questions (
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