What is it about?
Present-day driver assistance systems frequently activate unnecessary alarms. Even though the alarm is correctly activated according to the implemented algorithm, the driver evaluates this alarm as unnecessary. This study found that drivers perceive alarms as unnecessary when the system's risk assessment does not match their subjective hazard perception. This mismatch is caused by drivers' current maneuver intention that is considered by the driver, but not by the system.
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Why is it important?
Our findings show that unnecessary alarms are a consequence of a mismatch between system risk assessment and drivers' subjective hazard perception. System algorithms should consider drivers' current maneuver intention instead of physical measurements alone for alarm activation. These results help to adapt driver assistance systems to drivers' perceived needs.
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This page is a summary of: Towards an assistance strategy that reduces unnecessary collision alarms: An examination of the driver’s perceived need for assistance., Journal of Experimental Psychology Applied, July 2018, American Psychological Association (APA),
DOI: 10.1037/xap0000184.
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