The “Don’t Know” Option and the Outcomes of Opinion Polls
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In February 2012, the LISS panel was presented the “Don’t know” experiment. This experiment focuses on the effects of different ways of offering the ‘Don’t know’ option by answering the research question: How does the ‘Don’t know’ option influence the results of specific questions and of a survey or opinion poll as a whole?
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S Elshout创建时间：
2012-01-01
