The Collect Personal Data  allow you to determine which Personal data fields will appear on the survey submission form:

The Mandatory Fields allows you to determine the personal data fields which are required to be completed for the submission to be accepted.

Please note: First Name is a Mandatory Field which cannot be 'unchecked' on the Survey Details page. If you do not require the respondent to supply any personal data you must check 'Allow Anonymous Responses'

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