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Activity Number: 647
Type: Topic Contributed
Date/Time: Thursday, August 4, 2016 : 8:30 AM to 10:20 PM
Sponsor: Government Statistics Section
Abstract #321253 View Presentation
Title: Geographical Predictors of GPS-Based Transportation Survey Response Rates
Author(s): Timothy Michalowski* and Dara Seidl
Companies: Abt SRBI and Abt SRBI
Keywords: GIS ; GPS ; geostatistics ; transportation ; travel surveys ; spatial statistics
Abstract:

Geographic Information Systems (GIS) and geostatistics have been shown to have utility in assessing the predictors of response rates in survey research. When controlling for demographic variables, geography can impact response rates when the same study is conducted across regions. As the burden increases for survey respondents in terms of the tasks they must perform, there is an expected drop-off rate in full study compliance. In GPS-based travel surveys where GPS data loggers are deployed to recruited households, the households are expected to both record their locational data and return the units for full compliance.

This research leverages geographic spatial statistics and regression metrics to compare how household compliance varies across regions when controlling for mean household age and number of persons in the household. A second component tests how well compliance can be predicted with geostatistical interpolation tools in a single study area based on the response rates of a pilot in the same region. Successful prediction of GPS compliance by geography indicates potential utility in adaptive design measures.


Authors who are presenting talks have a * after their name.

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