Library       Not Applicable: Per Question

Adds a "Not Applicable" checkbox beneath a question.



Requires a question to be answered or that "Not Applicable" be selected. Supports all general interviewing question types.


  • The downloaded question must be placed immediately after your question (the question to be given this checkbox).
  • Your question must have require response disabled. For questions with multiple variables (i.e., grid, free format), all variables must have require response disabled.
  • If your question is a grid, lines 3 and 4 of the custom JavaScript verification must be updated. Example: constantSumOrRanking: [2, 3]
  • If your question has graphical radio buttons or checkboxes, Disable Graphical Inputs must be included.


  • The list included with the downloaded question can be updated to change the label of the checkbox.
  • Line 6 of the custom JavaScript verification can be updated with a minimum number of checkboxes a respondent must select if not choosing "Not Applicable." The minimum is zero by default.

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Beginning with Lighthouse Studio 9.3, you may create a personal question library with your favorite questions. This page contains survey questions that have been submitted by our user community. You may download the questions and then import them into your Lighthouse Studio question library and freely use them within your surveys. All of the amazing items in this library are entirely user-contributed and user-supported!

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