Abstract #302050

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JSM 2003 Abstract #302050
Activity Number: 83
Type: Contributed
Date/Time: Monday, August 4, 2003 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #302050
Title: User Responses to Digital Map Tools on Handheld Computers
Author(s): Sarah M. Nusser*+
Companies: Iowa State University
Address: Dept. of Statistics, Ames, IA, 50011-1210,
Keywords: computer-assisted systems ; mobile computing ; CASIC ; data collection ; geospatial data
Abstract:

Mobile computing offers opportunities to provide digital map-based support for field data collection. It is important to determine how best to present map information and to identify tools that will improve the efficiency and quality of field performance. We designed a field study to look at features that may assist field staff in using digital maps on handheld computers to find address locations. The study was part of the Census Bureau's activities to evaluate the feasibility of using handheld computers for the 2010 Decennial Census with a workforce of temporary, short-term employees. Features tested include a visual GPS position indicator, a predetermined route plan displayed on the map and in text form as written turn-by-turn directions, and voice delivery of route instructions. Results from the study indicate that performance is enhanced with either route information or a GPS position indicator on the map. Moreover, the results suggest that offering both GPS and routing information leads to improved average performance, as well as increased consistency in performance. Results from the voice treatment suggest this feature is worthy of study as the technology matures.

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