JSM 2005 - Toronto

Abstract #304205

This is the preliminary program for the 2005 Joint Statistical Meetings in Minneapolis, Minnesota. Currently included in this program is the "technical" program, schedule of invited, topic contributed, regular contributed and poster sessions; Continuing Education courses (August 7-10, 2005); and Committee and Business Meetings. This on-line program will be updated frequently to reflect the most current revisions.

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 23
Type: Topic Contributed
Date/Time: Sunday, August 7, 2005 : 2:00 PM to 3:50 PM
Sponsor: Section on Government Statistics
Abstract - #304205
Title: Are We Better Off Accepting Proxy Responses?
Author(s): Promod Chandhok*+
Companies: Bureau of Transportation Statistics
Address: 400 7th St., SW, Room 4432, Washington, DC, 20590, United States
Keywords: response errors ; nonresponse bias ; travel surveys ; proxy responses
Abstract:

Admitting proxy responses provides more observations on the population leading to smaller variance of estimates, but it has been seen that these additional responses can have substantive response errors. Studies using the 2001 National Household Travel Survey (NHTS) have shown proxy and self respondents have significantly different travel behavior. Also, the two groups have different demographic characteristics trips. In this study, results using self reports are compared with results using proxies and results using self and proxies to see whether we gained by accepting proxies.

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Revised March 2005