On each questionnaire you can define the amount of time a respondent has to complete the questionnaire when they start an answer session. During the answer session a countdown is shown in the upper right of the form next to Time remaining.

1. Click Questionnaire> Setup> Design> Questionnaires.

2. Select the questionnaire, and then click the Setuptab.

3. In the Total timebox, enter the amount of time you want the respondent to have to complete the questionnaire in hours, minutes, and seconds (hh:mm:ss). The total time cannot exceed 24 hours.