Closed questions
Single Response Question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Multi-response Question: This question is optional. You make this mandatory by entering '1' next to 'Minimum quantity'. The respondent must then have given at least 1 answer. For example, if you want the respondent to provide at least three answers, enter '3' next to 'Minimum number'.
Selectbox (1 line): this question is required. You make this optional by checking 'Optional' under 'Extra'.
Rating Question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Swipe Question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Open questions
Open Question (small): this question is optional. You make this question mandatory by clicking on the three dots next to the answer and checking 'Required to complete'.
Open Question (large): this question is optional. You make this question mandatory by clicking on the three dots next to the answer and checking 'Required to complete'.
Entry Field Question: this question is optional. You make this question mandatory by clicking on the three dots next to the answer and checking 'Required to complete'.
Table questions
Table Question (single response): this question is mandatory. You make this optional by checking 'Optional' under 'Extra'.
Table Question (multi response): this question is optional. You make this mandatory by entering '1' next to 'Minimum quantity'. The respondent must then have given at least 1 answer. For example, if you want the respondent to provide at least three answers, enter '3' next to 'Minimum number'.
Table Plus Question: this question is mandatory. You can make this optional by unchecking 'Closed answers required' under 'Extra'.
Distribution questions
Semantic differential: This question is required. You can make this optional by creating an outside field with, for example, the text 'Not applicable'.
Slider Question: this question is required. You can make this optional by creating an outside field with, for example, the text 'Not applicable'.
Ranking Question: This question is optional. You make this mandatory by entering '1' next to 'Minimum quantity'. The respondent must then have given at least 1 answer. For example, if you want the respondent to provide at least three answers, enter '3' next to 'Minimum number'.
Scoring Question: under 'Number of points to be distributed' enter the number of points that the respondent is required to distribute. You cannot make this optional.
Graphical questions
Image Question (single response): this question is optional. You cannot make this mandatory.
Image Question (multi response): You make this mandatory by entering '1' next to 'Minimum quantity'. The respondent must then have given at least 1 answer. For example, if you want the respondent to provide at least three answers, enter '3' next to 'Minimum number'.
Drag & Drop Question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Hotspot Question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Location question: this question is required. You make this optional by checking 'Optional' under 'Extra'.
Other
Camera Question: this question is mandatory. You make this optional by checking 'Optional' under 'Extra'.