There are cases when questionnaire should behave in a certain way, dynamically, based on a logic that is related to the field sample. The field sample is controlled by the quota system. Please Click Here to learn more on the quota sheets system.
You can base the logic of choosing the least filled Quota either on Single Choice or Multiple Selection Questions
Using a Single Choice Question (Quota Sheets)
The following sample will show how to randomly choose a quota that is “least filled” (has that largest difference between its target and its current value).
Please find the attached a sample survey. You can view this next link that shows how to import an external survey into your account:
Please also view the following link to learn more on the quotas functionality in the User Logic interface:
Using a Multiple Selection Question (Quota Rules)
The following Sample will randomly select a Maximum of 3 colors based on the least filled quota.
Please notice that the Quotas are defined in the Rules Tab using Quota Expressions. This is because the Quotas are based on a multiple-selection question.
You can refer to the following guide. Please search for "Basic Rule Based Quota":
Please find the attached sample survey.