Smartphone-Based Travel Experience Sampling and Behavior Intervention among Young Adults
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Smartphone-Based Travel Experience Sampling and Behavior Intervention among Young Adults
Published Date
2012-05
Publisher
Intelligent Transportation Systems Institute, Center for Transportation Studies, University of Minnesota
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Report
Abstract
This research project aims to develop a data collection application that enables real-time tracking and reporting of
the health-related impacts of travel behavior. Using computing, communication, and sensing capabilities of
smartphones, an Android phone application—named UbiActive—was developed to collect real-time travel-related
physical activity and psychological well-being data from phone users. The application was tested on multiple
Android phones, among which Nexus S and HTC Magic were found to produce comparable physical activity
outputs with the commercially available accelerometer.
The application was further tested in a three-week field study for its viability for real-time data collection
and behavior intervention against unhealthy travel behavior. Twenty-three young adults were recruited and
randomized into intervention and control groups. Both groups were asked to install UbiActive on their phone and
wear their phone on their right hip during all waking hours for three consecutive weeks. The intervention group
was provided information on impacts of their travel behavior on physical activity and psychological well-being.
No information was provided to the control group. After the field study, all participants were asked to complete a
web-based exit survey that was comprised of questions about their general participation experience and specific
concerns about the study design, application, compliance requirements, and privacy issues.
Findings from the field study show that UbiActive has high potential in collecting travel-related physical
activity and psychological experience data, but limited effectiveness in behavior intervention. Findings from the
exit survey provide useful insights into potential improvement areas of the study and the UbiActive application.
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Humphrey School of Public Affairs, University of Minnesota; Minnesota Traffic Observatory, Department of Civil Engineering, University of Minnesota
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Fan, Yingling; Chen, Qian; Liao, Chen-Fu; Douma, Frank. (2012). Smartphone-Based Travel Experience Sampling and Behavior Intervention among Young Adults. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/132726.
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