CAPTCHA (also known as Completely Automated Public Turing test to tell Computers and Humans Apart) is a common web technique which helps to ensure that your interaction is submitted by a human and not by a bot. CAPTCHAasks participants to perform specific tasks which can only be performed by humans (for example, it might  ask you to identify blurry/distorted text or identify images which contain specific objects).

To add a CAPTCHA to your interaction, click the “Add Question” button and select “CAPTCHA Verification”:

You can change the default text and choose your preferred color scheme (Light or Dark). This is how CAPTCHA appears to end users:

This checkbox is not treated as a regular question, so it does not have a question number and it will not appear in the Results View or in reports. Also, participants MUST comply with the CAPTCHA or their responses won’t be submitted. 

You can add a CAPTCHA anywhere in an interaction; if you want to ensure you only receive responses from humans, we recommend placing a CAPTCHA before any other questions.

CAPTCHA is a third-party service provided by Google. However, no participant data is sent to Google as part of this service. You can visitGoogle’s reCAPTCHA page to learn more.