How to ensure that a participant meant to leave a
*multiple
question blank
🔗
In questions that allow a text response, adding the
*multiple
keyword allows participants to enter as many separate answers as
they like. However, it also allows them to leave no response at
all! Therefore, if you'd like to check if a respondent
mistakenly clicked "Submit" without actually responding the way
they intended, you can simply check the size of the answer
variable you stored and present them with a question about it if
they didn't answer anything. For example:
*label: listingAllergies
*question: Please list any allergies you have.
*multiple
*save: allergies
*if: allergies.size = 0
*question: Are you sure you don't have any allergies to list?
*confirm
Yes. Let's move on.
OK.
*program: medicationsScreen
No.
OK. Please list the allergies you forgot!
*goto: listingAllergies
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