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Workload management for warning signals at high speeds

Klingebiel, K.L. (2017) Workload management for warning signals at high speeds.

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Abstract:Purpose: The purpose of this paper was to identify influences on driver workload. In this case identifying the influence of high speeds on driver workload as well as investigating the differences of transmitting warning signals via the visual and auditory channel. Design and Methodology: Two simulator studies were conducted. The first one was with 36 participants and the second one with 43 participants. The subjective workload was measured using the NASA TLX and the objective workload was measured comparing the standard deviation of the steering movement. The main analysis of the collected data was done by using a repeated measures ANOVA. Findings: There was a significant increase of driver workload with an increase in speed. Also the workload was higher when presenting a warning signal via the visual channel than presenting the same information via the auditory channel. Originality/value: The novelty of this study lies in the exploration of the relationship of high speeds and driver workload. The concept of reducing workload by changing the channel by which information are transmitted is a well-known concept but was not yet implemented on showing warning information.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/74332
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