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What’s the benefit of a video? The effect of nonmaterial incentives on response rate and bias in web surveysKalleitner, Fabian ; Mühlböck, Monika ; Kittel, Bernhard
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Kalleitner, Fabian
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Mühlböck, Monika
;
Kittel, Bernhard
Google Scholar: Kalleitner, Fabian ; Mühlböck, Monika ; Kittel, Bernhard
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Creative Commons Attribution, Non-Commercial 4.0 International (CC BY-NC 4.0)
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