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Activity Number:
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318
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Type:
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Contributed
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Date/Time:
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Tuesday, August 5, 2008 : 2:00 PM to 3:50 PM
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Sponsor:
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Section on Risk Analysis
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| Abstract - #301568 |
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Title:
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An Investigation of the Potential Effects of Nonresponse on the BTS Omnibus Household Survey
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Author(s):
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Pheny Z. Weidman*+
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Companies:
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Bureau of Transportation Statistics
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Address:
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1200 New Jersey Ave., S.E., Washinton, D.C., DC, 20590,
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Keywords:
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Survey nonresponse ; nonresponse bias ; RDD survey
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Abstract:
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The Bureau of Transportation Statistics' Omnibus Household Survey (OHS) is a Customer Satisfaction Survey using a list-assisted random digit dialing (RDD) methodology. It assesses the general public's opinion of the nation's transportation system by interviewing persons in randomly selected telephone households. The response rate for the OHS has been around 50% since its inception in 2000, raising concerns about the generalizability of its results. This study examined if and how nonresponse introduces bias into the OHS estimates. It used a modified nonresponse follow-up approach that compared response rates of early versus late respondents to investigate the potential effects of nonresponse on major OHS estimates. The results and method used in this study can provide useful information to survey practitioners and researchers who are interested in RDD survey nonresponse bias issues.
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- The address information is for the authors that have a + after their name.
- Authors who are presenting talks have a * after their name.
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