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Calculation to sum checkbox responses
I have a patient questionnaire that requires you to select all the words from a grouping of words that best describes your pain. You can select as many words that apply to your pain from each group. As a result the response type is checkbox for each grouping of words. For example I’ve listed two word grouping below.
I want to be able to get a total of the number of words selected over multiple groupings of words. For example if the patient selected blistering and burning from group one and shocking and shooting from group two. I want a calculation field to return the score of 66.6% (4/6*100). Is it possible to count the number of words selected when the response type is checkbox?