I design a "Drag and Drop" question. I have 21 items and 2 groups. I can allow people not to choose some (or all) items. Do I need to specify any option? Or this is default option, I don't need to specify anything?
Best answer by SurajK
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+4
Bu default the question will be optional, they can chose some or leave all. if you want to make it mandatory then you will have to select option Force Response
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