Influence of Hazard System Accuracy on Driving Performance

Information for in-car information systems will be collected from different information sources such as weather and traffic information services and commercial information providers. With multiple sources of information, it is important that the information presented to the user is balanced with adverse effects, if any, on cognitive processing. This experiment investigated the level of accuracy necessary for in-car information systems to elicit positive behavioral and attitudinal responses from the driver. Sixty participants (ages 18-25) completed questionnaires for attitudinal data, and drove in a simulator that automatically collected performance data for 25 minutes. Participants were divided into three groups: one group driving with a 100% accurate system, another with a 70% system, and one group without an in-car system. Results show that the 100% accurate system is beneficial for young drivers - they drove better and they liked the system and car. Interesting to note is that decreasing the accuracy of the system also decreases driving performance as well as trust and liking of both system and car. 70% accuracy is a breakpoint, here females drivers showed improvements in driving performance whereas male drivers drove significantly worse than without a system. Implications for accuracy of information and design are discussed.

• Corporate Authors:

  ITS America

  1100 17th Street, NW, 12th Floor
  Washington, DC  United States  20036
• Authors:
  • Jonsson, Marie
  • Nass, Clifford
  • Harris, Helen
  • Takayama, Leila
• Conference:
  • 12th World Congress on Intelligent Transport Systems
  • Location: San Francisco California, United States
  • Date: 2005-11-6 to 2005-11-10
• Publication Date: 2005

Language

• English

Media Info

• Media Type: Print
• Features: CD-ROM; Figures; References;
• Pagination: 12p
• Monograph Title: Proceedings of the 12th World Congress on Intelligent Transport Systems

Subject/Index Terms

• TRT Terms: Data collection; Driver experience; Driving simulators; Hazard analysis; In vehicle annunciators; In vehicle sensors; Information systems; Information technology; Reliability; Road weather information systems; Speech
• Subject Areas: Data and Information Technology; Highways; Safety and Human Factors; Vehicles and Equipment; I91: Vehicle Design and Safety;

Filing Info

• Accession Number: 01015852
• Record Type: Publication
• Files: TRIS
• Created Date: Jan 3 2006 11:39AM