When asking multiple open-ended probes on the same target question in a cognitive online pretest, they can either be displayed on a subsequent survey page (scrolling design), on separate following pages (paging design), or on the same page as the target question (embedded design). This paper examines how multiple probes to the same target question should be implemented in web probing studies. Based on a sample of 2,300 respondents from an online access panel, we compared the three designs in terms of data quality (dropouts, probe nonresponse, uninterpretable answers, word count) and the response distribution of the target questions. Overall, …