Changes in traffic accident risk degree according to driving workload rate and moderate effect of ego-resilience

Hun-Hwa Song, Soon-chul Lee
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引用次数: 3

Abstract

This research was conducted to verify changes in traffic accident risk level according to driving workload rate and the moderate effect of ego-resilience. Several hypotheses were made by considering previous studies, in which the traffic accident risk level measured according to Traffic Accident Risk Index (TARI) and Driving Behavior Determinants (DBD) differed from the driving workload rate. Furthermore, Ego-resilience was also considered as a human factor, which has the moderate effect between workload and TARI, DBD. A total of 260 drivers participated in the survey. The result of the factor analysis revealed that the DBD questionnaire could be divided into five factors (i.e., Impatient Driving, Situational Inadaptability, Distracted Driving, Drunken Driving, and Speed Driving). In order to verify changes in those behaviors according to driving workload rate, variation analysis was conducted. The results revealed that Impatient Driving, Situational Inadaptability, and Distracted Driving had significant relationships with driving workload rate. Moreover, the moderate effect of Ego-resilience related to Situational Inadaptability was verified by hierarchical regression analysis. We expect that the result of this study could be used to develop countermeasures to excessive driving workload.
交通事故风险程度随驾驶工作量率的变化及自我恢复力的调节作用
本研究旨在验证交通事故风险水平随驾驶工作量率的变化以及自我弹性的调节作用。结合以往的研究,提出了交通事故风险指数(TARI)和驾驶行为决定因素(DBD)测量的交通事故风险水平与驾驶工作量率不同的假设。此外,自我弹性也被认为是一个人为因素,在工作量与TARI、DBD之间有中等影响。共有260名司机参与了调查。因子分析结果显示,DBD问卷可分为急躁驾驶、情境不适应、分心驾驶、酒后驾驶和超速驾驶5个因子。为了验证这些行为随驾驶工作量率的变化,进行了变异分析。结果表明,急躁驾驶、情境不适应和分心驾驶与驾驶工作量率有显著相关。此外,通过层次回归分析验证了自我弹性对情境不适应的调节作用。我们期望本研究的结果可用于制定过度驾驶工作量的对策。
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