@PaigeMiller - thanks for clarification. Arbitrary grouping will make analysis more complicated. In designing surveys this is up to the subject matter specialist how to design surveys. This is a normal practice to put introductory questions in the begining, questions relating to subject in the middle and demo questions at the end on the questionnaire. Questions in the middle section of survey usually contain numeric variables which may be useful for analysis, while questions in the start and end provide classification variables.
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