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Please use the following Persistent Identifier (PID) to cite this document:
https://doi.org/10.18148/srm/2008.v2i2.128

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Internet surveys: can statistical adjustments eliminate coverage bias?

Interneterhebungen: können statistische Abgleiche Erfassungsverzerrungen eliminieren?
[journal article]

Dever, Jill A.
Rafferty, Ann
Valliant, Richard

Abstract

"The Internet is an attractive mode of data collection to survey researchers due to cost savings and timeliness in comparison with other modes. However, survey estimates are subject to coverage bias if sampled persons with Internet access are systematically different from those without Internet acce... view more

"The Internet is an attractive mode of data collection to survey researchers due to cost savings and timeliness in comparison with other modes. However, survey estimates are subject to coverage bias if sampled persons with Internet access are systematically different from those without Internet access who were excluded from the survey. Statistical adjustments, either through weighting or modeling methods, can minimize or even eliminate bias due to non-coverage. In the current paper, the authors examine the coverage bias associated with conducting a hypothetical Internet survey on frame of persons obtained through a random-digit-dial (RDD) sample. They compare estimates collected during telephone interviews from households with and without Internet access using data from the 2003 Michigan Behavioral Risk Factor Surveillance System in the United States. Statistical models are developed such that the coverage bias is negligible for most of the health outcomes analyzed from the Michigan survey. Though not definitive, the analysis results suggest that statistical adjustments can reduce, if not eliminate, coverage bias in the situation the authors study." (author's abstract)... view less

Keywords
private household; Internet; North America; error; comparison of methods; interview; risk; statistical theory of errors; telephone interview; methodological research; United States of America; methodology; survey; health behavior

Classification
Methods and Techniques of Data Collection and Data Analysis, Statistical Methods, Computer Methods
Research Design

Document language
English

Publication Year
2008

Page/Pages
p. 47-60

Journal
Survey Research Methods, 2 (2008) 2

ISSN
1864-3361

Status
Published Version; peer reviewed

Licence
Deposit Licence - No Redistribution, No Modifications


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© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.