The Comment Box question allows you to collect long open-ended responses.
To add this question type:
Before you send out your survey, preview your survey design to see what your survey will look like to respondents.
Respondents can expand the textbox for longer responses but responses are limited to 20,000 characters.
It isn’t possible to set a word or character limit, or add a character counter.
When you view your responses in the Analyze Results section, you'll see a list of all the open-ended responses. Click View respondent's answers below any comment to jump to the respondent's full answer set.