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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