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Direct linkKmetty, Zoltán; Stefkovics, Ádám – International Journal of Social Research Methodology, 2022
Questionnaire design choices, such as handling 'do not know' answers or using check all that apply questions may impact the level of item- and unit nonresponse. We used experimental data from an online panel and the questions of ESS to examine how applying forced answering, offering DK/NA options and specific question formats (CATA vs. forced…
Descriptors: Item Response Theory, Test Format, Response Rates (Questionnaires), Questionnaires
