Crash Warning Interface Metrics Task 3 Report: Empirical Studies of Effects of DVI Variability
This report documents the methods and findings of Task 3 under the project “Crash Warning Interface Metrics (CWIM).” The CWIM project has the objective of examining the potential advantages and concerns of Advanced Crash Warning Systems (ACWS), with a particular focus on the driver-vehicle interface (DVI). Task 3 involved new empirical research to address issues of DVI variability for ACWS systems across vehicles. Two experiments were performed. Experiment 1 addressed whether driver response to a forward collision warning (FCW) acoustic alert suffered when the participant switched from a vehicle with one acoustic alert to a different vehicle with a different acoustic alert. After the alert was switched, participants displayed substantially delayed brake reaction times, particularly in one direction of shift. This comparison provides some evidence of a potential negative transfer effect. Experiment 2 investigated whether people who are unfamiliar with ACWS features were able to identify and comprehend status displays for a variety of existing ACWS. Overall, individuals were not particularly accurate in assessing whether an advanced crash warning system was present (more than 40% of these responses were incorrect), but participants were nonetheless confident in their responses. A degree of familiarity with an ACWS (from reading owner’s manual materials) improved comprehension slightly, but there was no finding of a systematic trend toward either positive or negative transfer. The final section of the report discusses methodological assessments and implications for each experiment.
- Record URL:
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Corporate Authors:
Westat
1650 Research Boulevard
Rockville, MD United States 20850National Highway Traffic Safety Administration
1200 New Jersey Avenue, SE
Washington, DC United States 20590 -
Authors:
- Robinson, Emanuel
- Lerner, Neil
- Jenness, James
- Singer, Jeremiah
- Huey, Richard
- Baldwin, Carryl
- Kidd, David
- Roberts, Daniel
- Monk, Chris
- Publication Date: 2011-8
Language
- English
Media Info
- Media Type: Web
- Edition: Final Report
- Features: Figures; References; Tables;
- Pagination: 72p
Subject/Index Terms
- TRT Terms: Audible warning devices in vehicles; Countermeasures; Crash avoidance systems; Driver vehicle interfaces; Highway safety; Information display systems; Warning systems
- Uncontrolled Terms: Forward collision warning
- Subject Areas: Highways; Safety and Human Factors; Vehicles and Equipment; I83: Accidents and the Human Factor; I91: Vehicle Design and Safety;
Filing Info
- Accession Number: 01357943
- Record Type: Publication
- Report/Paper Numbers: HS-811 470b
- Files: HSL, TRIS, USDOT
- Created Date: Dec 1 2011 9:56AM