There are times when form owners want to limit the number of selections or only allow a max number of selected choices. There are a few methods to set answer limits depending on the kind of items used and whether you want to limit a single question’s answers or multiple items in your form.
For example, items that ask for multiple answers can frequently use the built-in min/max settings to limit the number of answers allowed. If you have a need to limit the number of chosen answers for other types of items, however, you will need to use another method.
The first consideration is whether you’re using a Radio Button or Checkbox item: