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How can I use missing values in conditions?
Missing values in conditions behave the same way as do normal values or answers.
If the condition includes 'categories - single answer' or 'categories - multiple answers' question types, then the option '(-1) Unanswered question' will appear between the responses, when setting a condition. Other missing values, such as 'Don't know', 'Invalid' behave in the same way. If you select them in the question's editor, they will display as an answer, which you can select when setting a condition.
However, if the condition includes text or numeric question type and you want to set a condition in case that respondent do not enter anything, then leave the field empty. Only two quotation marks will be shown in the condition.
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- Glossary
- 'Heatmap' Question
- Registration form
- Usage of 'location' question type
- Voting
- Insert numerical answers with slider
- Recommendations for online surveys on a mobile phone
- Option to hide radio and checkbox buttons next to categories
- How to repeat the tittle bar in a table
- Settings for respondent access: cookies and passwords
- Standard demographics
- Advanced questionnaire editing settings
- Default answer labels
- Edit response's values
- Granting access to helpdesk
- The double grid table
- Disabling the question for respondents
- Accessibility of surveys for people with special needs
- Editing options in the question taskbar
- Export (Survey archive)
- Advanced adding of images as an answer
- Classifying or ranking
- Recommendations for questionnaire creation
- Design
- Loop
- Setting up a static first page (introduction)
- Drill-down: sequential filtering of questions
- Structuring questions into blocks
- E-mail (type of question)
- Tabs in the questionnaire
- Survey preview
- Text (type of question)
- Organizing surveys in folders
- Import text - copying text to 1KA
- The use of conditions
- Notifications
- Including a video or flash player in your survey
- Recommendations for minimizing non-response
- Set up of drag and drop question type
- Step by step mode with table question type
- Creating respondent groups
- Changing the size of radio and checkbox buttons
- Image Hotspot question type
- Measurement and time limitations for responses
- Use of editor when editing questions
- Labelling a question as mandatory
- 'Take a picture' question type
- Key features that an advanced user should know
- Survey settings
- Satisficing in the survey
- Mobile survey adjustments
- Adding a new language for the standard words
- Inserting images into your questionnaire
- Comments
- Creating sub-samples: half of the respondents gets one question, while the other half a different question
- Display the list of open answers in the survey
- Different ways to display a question for the date
- Data display (settings)
- Your first survey
- Electronic signature
- Placing answers on stripe
- Visual Analogue Scale
- Settings for exporting PDF/RTF files with responses
- GDPR survey settings
- Semantic differential
- Uploading a file
- Transfering values from the answer of one question into the text of another question ( data piping)
- Adding editorial access on 1ka.arnes.si
- 1KA settings for email notifications for completed surveys and insight into the respondent's answers
- Combined table
- Survey duration based on date or the number of responses
- Image type of question layout
- Using the IP address and cookies to control duplicate entries
- 1KA registration and login
- Additional settings for the introduction and conclusion
- System variables in conditions
- Verification of user’s attention with the use of a “trap” question
- Hiding answers in already active survey