Public opinion surveys on American foreign policy often elicit many \"don't know\" or \"no opinion\" responses. Researchers have paid surprisingly little attention to these responses, typically droppi

DataONE2016-08-15 更新60

Characteristics of respondents and non-respondents to the open-ended question.

调查响应偏差分析

问卷设计评估

*Chi-square test of association. Characteristics of respondents and non-respondents to the open-ended question.

NIAID Data Ecosystem20

Demographics of responders and non-responders.

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