speaker: jenny
DESCRIPTION
Interacting with Computers 17 (2005) 643-659 Andrew May, Tracy Ross, Zaheer Osman The design of next generation in-vehicle navigation system for the older driver. Speaker: Jenny. Older drivers perceive wayfinding as more difficult than young drivers. (Burns, 1997) - PowerPoint PPT PresentationTRANSCRIPT
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Interacting with Computers 17 (2005) 643-659Andrew May, Tracy Ross, Zaheer Osman
The design of next generation in-vehicle navigation system
for the older driver
Speaker: Jenny
![Page 2: Speaker: Jenny](https://reader036.vdocuments.site/reader036/viewer/2022070403/568139f3550346895da1ac4d/html5/thumbnails/2.jpg)
• Older drivers perceive wayfinding as more difficult than young drivers. (Burns, 1997)
• Landmarks are key elements to an unfamiliar destination (Allen, 1999), as typically supported by a vehicle navigation system.
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• Purpose: within a real driving environment, to investigate the extent to which older drivers benefit from the landmarks provision with navigation instructions
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comparison
• Older driver performance with and without landmarks
• Older performance with landmarks compared to younger driver using those same landmarks
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Landmarks benefits
• Effective navigation decisions (Tom and Denis, 2003; Bengler et al., 1994)
• Reduce cognitive effort and distraction (Burnett, 1998)
• Increase confidence and satisfaction (Alm et al., 1992; Green et alk., 1993)
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• Attributes of good landmarks– Permanence, visibility,
usefulness of location, uniqueness (Burnett et al., 2001)
• Landmarks in this study:– Traffic lights, pedestrian lights,
gas station, public house
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Method
• Apparatus: Land Rover Freelander
• direction arrow, distance countdown bar, road name
• Auditory prompts: landmarks or distance to turn information
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Experiment
• 2(age) x 2(information) x 8 (manoeuvre)
• 32 participants– Young(21-40) & older(55 and over)
• Time: 40 mins• Speed limit: 50 kph• Dependent variable: navigation
performance, workload, driver confidence, and driver attitudes
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• Route: South of Leicester, UK• 37 driver decision points in
17.5 km• Manoeuvres:8 target + 25 en-
route
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Results—visual behavior
• Visual glance
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Results—visual behavior
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Results—visual behavior
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Results—driver confidence
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Results—driving errors
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Results—navigation performance
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Results—driver workload
• NASA-RTLX (Hart and Staveland, 1998) – 心智負荷 (Mental Demand)– 動作負荷 (Physical Demand)– 時間壓力( Temporal)– 精力耗費 (Effort)– 挫折感 (Frustration Level)– 表現績效與滿意度 (Performance)
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Results—driver attitudes
• Both younger and older drivers stated that navigation system is helpful for wayfinding in unfamiliar area.
• Both of them prefer using a navigation system as their usual means of navigating.
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