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August 19, 2021

How Call-In Options Affect Address-Based Web Surveys

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How Call-In Options Affect Address-Based Web Surveys
IVR requires adaptation to question wording and flow compared to web
Respondents took more than 80% longer to complete via IVR than web
IVR respondents were half as likely to ‘almost constantly’ use the internet compared with web respondents
IVR respondents were less educated and had lower incomes than their web counterparts
A higher proportion of IVR participants stopped the survey prior to completing than those participating via web
Order effects appear larger in IVR than web, but conclusions are limited due to small sample sizes
IVR levels of misreporting higher than web, but still low
IVR levels of misreporting higher than web, but still low
Item nonresponse appears higher among IVR responses, but still low for most variables

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ABOUT PEW RESEARCH CENTER Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.

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