Effects of uncertainty, transmission type, driver age and gender on brake reaction and movement time

  • Warshawsky-Livne L
  • Shinar D
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Abstract

Problem: Braking time (BT) is a critical component in safe driving, and various approaches have been applied to minimize it. This study analyzed the components of BT in order to assess the effects of age, gender, vehicle transmission type, and event uncertainty, on its two primary components, perception-reaction time and brake-movement time. Method: Perception-reaction time and brake-movement time were measured at the onset of lights for 72 subjects in a simulator. The six experimental conditions were three levels of uncertainty conditions (none, some, and some+false alarms) and two types of transmission (manual and automatic). The 72 subjects, half male and half female, were further divided into three age groups (mean of 23, 30, and 62 years). Each subject had 10 trials in each of the three levels of uncertainty conditions. Results: Transmission type did not significantly affect either perception-reaction time or brake-movement time. Perception-reaction time increased significantly from 0.32 to 0.42 s (P

Author-supplied keywords

  • Age
  • Braking time
  • Event uncertainty
  • Gender
  • Movement time
  • Reaction time
  • Transmission type

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Authors

  • Lora Warshawsky-Livne

  • David Shinar

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