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Allowing Multiple Responses

Multiple Responses lets people take your survey more than once from the same browser. This is handy if you expect survey takers to take your survey on a shared device, like in a computer lab or on a public kiosk. We use cookies to know if someone has already taken the survey and whether they're allowed to take it again.

You can enable the Multiple Responses collector option when you're using the Web Link collector or Website collector.

To turn on Multiple Responses:

  1. Go to the Publish survey section of your survey.
  2. Click the name of the collector to see the collector option.
  3. Click Multiple Responses.
  4. Select On, allow the survey to be taken more than once from the same device. Your changes save automatically.

Response editing is limited when both Multiple Responses and Response Editing are on. People can only edit responses while they’re taking your survey—they can't edit responses after it’s completed.

The Manual Data Entry collector and Kiosk collectors are meant to help you collect responses from multiple people, so there isn't an option to disable Multiple Responses.

By default, Multiple Responses is turned off for most collectors, meaning the survey allows only one response per browser or email address.

When Multiple Responses is off and someone tries to take the survey again using the same browser, they'll see a message that they already took the survey.

If the survey-taker's browser is set to clear cookies each time it's closed or they access the survey on a different browser or device, they’ll be able to take the survey multiple times.

Custom variables can be used to generate a unique web link for each respondent. When a custom variable containing a unique identifier is included in a survey link, that identifier is tracked with the respondent's survey response.

Once a respondent submits a completed response using their unique survey link, the link can’t be used to submit another response. This helps ensure that only one completed response is recorded for each unique identifier.

To set up a unique Web Link:

  1. Make sure you have at least one custom variable set up.
  2. Go to the Publish survey section of your survey.
  3. Select a Web link collector.
  4. Under Multiple responses, select Off, prevent multiple responses using custom variables.
  5. If you’d like to use a single custom variable as your unique identifier, choose the variable name from the menu. If you’d like to use all your survey’s custom variables for your unique identifier, choose All variables in link.
  • Avoid changing custom variable names or values after weblinks have been distributed. Any modification to a variable name or its value will generate a new unique identifier, which may allow duplicate responses from the same respondent.
  • When using All variables in link, the unique identifier is generated from the first ~300 characters of your survey link’s custom variable section. Exceeding this character limit will result in an error, and the duplicate response check will not function as expected. Keep your variable names and values concise to avoid this limit.
  • It's the survey owner's discretion whether respondent personal data is used for unique web links.

  • Single Variable
  • All Variables in Link

There isn't an option to allow multiple responses for email invitations. Each contact can only respond to an email invitation once.

If you want a contact to take the survey more than once, create a new Email Invitation collector.