We recommend including an N/A ("not applicable") option in your rating scale. This lets feedback providers indicate that they don't feel they are able to answer a question fairly.

To add this:

  1. Open your project
  2. Click Design on the left-hand side
  3. Click Edit questionnaire
  4. Click Edit rating scale in the orange menu on the left (see image below)
  5. Click Edit scale
  6. Click Add N/A
  7. You can optionally choose to give the N/A option a longer name e.g. 'Not observed' or 'I don't know'.
  8. When done, click to save the changes

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