GPS MOBILE PHONE-BASED ACTIVITY DIARY SURVEY

Published 1 January 2005

Nobuaki Ohmori, Noboru Harata, Morimichi Nakazato

Citations44

TL;DR

The system developed in this study is useful in terms of reducing "time lag" in data entry and mitigation of spatial constraints for data entry, however, the respondent's burden depends on the characteristics of the respondents.

Abstract

Abstract: Activity diary is necessary information to investigate the relationships between individual travel behavior and activity engagement. A GPS mobile phone-based activity diary survey system is developed in this study. The software programmed in Java works on mobile phone devices for entering information on activity diary. Positional data are automatically collected at regular intervals by GPS-equipped mobile phones. Two pilot surveys are conducted for a total about 50 participants to examine the advantages of the survey system. By comparing activity data collected by the software with the data collected by conventional paper-based activity diary surveys, it is found that the system developed in this study is useful in terms of reducing “time lag ” in data entry and mitigation of spatial constraints for data entry. However, the respondent’s burden depends on the characteristics of the respondents.

Keywords

Social Sciences

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A real-time travel/activity survey system that incorporates the extraction of activity scheduling and execution information within one unified data collection framework that could be used for explicitly defining the mechanism of how people’s activity schedules dynamically adapt to social-demographic and temporal-spatial constraints.

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In this study, the questionnaire was carried out regarding the participating awareness for applying the new investigation, such like GPS and PHS, which can observe an individual's travel behavior in detail.

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