QS:Min answers
From LimeSurvey Manual
Minimum answers (min_answers)
Description
This function can be used to ensure that a user selects at least a certain number of answers in a multiple choice question.
Valid values
- Any integer value above 0
- Any number
- Any SGQA code
- Any question code (variable name)
- Any equation, using Expression Manager syntax, without surrounding curly braces.
Example
If set to X (a random number), the users will only be able to submit the survey form if they have selected at least X checkboxes. In ranking questions, this ensures that at least three items are ranked.