Thank you, I did not see that: in-car speech based information systems for older adults

  • Authors:
  • Ing-Marie Jonsson;Mary Zajicek;Helen Harris;Clifford Nass

  • Affiliations:
  • Stanford University, Stanford, CA;Oxford Brookes University, Oxford, UK;Toyota Information Technology Center, Palo Alto, CA;Stanford University, Stanford, CA

  • Venue:
  • CHI '05 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2005

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Abstract

Older adult drivers have more difficulty than the general driving public in attending to driving tasks especially in complex traffic situations. This study examines whether a speech based in-car information system can positively influence driver attitudes, driving performance and safety. Eighteen participants between the ages of 55 and 73 used a driving simulator for approximately thirty minutes in one of three conditions: in-car information system with a young voice informing the driver of upcoming hazards, in-car information system with an older adult voice, and no in-car system. There was a clear positive effect of driving with the in-car information system; drivers felt more confident driving, they completed the driving course in less time (without exceeding the speed limit), and had fewer accidents. There was also a clear positive effect of using a young adult voice for the in-car information system.