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Web Survey Bibliography

Title Response Differences from Internet-enabled Respondents in Surveys Fielded via Internet and via Mail
Year 2001
Access date 31.05.2004
Abstract To address the issue of differences between Internet and mail panel responses, NFO conducted a large omnibus study in July of 1999 covering topics ranging from product consumption and usage to shopping behavior, psychographic attitudes, and attitudes on sensitive issues. Results showed that balancing online samples to reflect U.S. Census or weighting online data to U.S. Cen-sus demographics brought results much more in line with weighted mail panel data, rendering differences on many types of questions insignificant. As a follow-up, an additional study was fielded in August, 2000 which examined response differences within an Internet-enabled group randomly assigned to either an Interactive cell or a mail cell. Results of the follow-up study revealed that those responding via the Internet spent more hours online per week and demonstrated more positive attitudes to-ward the Internet and toward technology despite the fact that both groups had similar distributions of time since original Inter-net access. Despite attempts to rigorously control for Internet-access, response bias was introduced to the fact that those most engaged with the Internet were more likely to complete the surveys than those less engaged. Subsequent weighting incorporat-ing number of hours online per week produced far fewer significant differences between the two groups.
Year of publication2001
Bibliographic typeConferences, workshops, tutorials, presentations
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Web survey bibliography - 2001 (57)

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