Exploring the ability to identify visual search differences when observing drivers鈥?eye movements

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• 作者：Panos Konstantopoulos ; ^{panagiotis.konstantopoulos@nottingham.ac.uk} ; Peter Chapman ; David Crundall
• 关键词：Driving instructors ; Learner drivers ; Driving training ; Eye movements
• 刊名：Transportation Research Part F ; Traffic Psychology and Behaviour
• 出版年：2012
• 期刊代码：178_13698478
• 类别：et
• 出版时间：May, 2012
• 卷：15
• 期：3
• 页码：378-386
• 文件大小：466 K

摘要

How can we improve learner drivers鈥?visual skills? Much research has demonstrated that learner drivers have an impoverished spread of search during driving and that this is partly due to lack of knowledge of where and when to look, rather than simply an issue of cognitive load. Several training interventions have tried to improve scanning in these drivers with limited success. We propose that exposing drivers to examples of good and bad scanning behaviour may prove to be a useful tool in training visual search. The success of this approach, however, requires drivers to be able to distinguish between examples of good and bad scanning. To this end, two studies were undertaken where video clips of simulated driving with an overlaid eye movement trace were presented to participants who had to judge whether the eye movements were that of a learner driver or a driving instructor. Overall, participants found this discrimination task very difficult. However, the findings suggested that novice and learner drivers were able to correctly classify those eye movement traces of other learner drivers better than chance. It was also demonstrated that the ability to distinguish between the eye movements of learner drivers and driving instructors improved as the number of objective differences between the two groups increased across specific scenarios (as determined by frame-by-frame analysis using a priori categories). The results suggest that, under certain situations, drivers can extract information about the appropriateness of a particular scanning strategy just by watching a video of the eye movement trace. The implications for training interventions are discussed.