Don’t Know? Don’t Know
How does presenting the Don’t Know option affect survey estimates?
In self-administered web surveys, how should researchers present the ‘Don’t Know’ option to promote accurate responses? This question sits at the heart of a methodology seminar held by Natcen and the European Social Survey.
Demands of a survey
There are two demands on a well-designed questionnaire:
- An appropriate answer option should be available for all respondents;