Retrieving vehicle control after automation: A comparison between two methods to measure situation awareness

Hueting, T.F. (2013) Retrieving vehicle control after automation: A comparison between two methods to measure situation awareness.

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Abstract:Automation in vehicles is becoming more advanced and more commonly available in consumer cars. One recent development is the ability of cars to drive themselves in traffic jams. This has consequences for the way people deal with, and operate their cars. Higher levels of automation influence the level of involvement in the driving task. This can lead to a lower level of situation awareness (SA), which in turn leads to poorer driving performance. Within this research several methods for measuring SA were investigated in order to determine which measure is best suitable for evaluating driver-vehicle interfaces in automatically operated vehicles. Therefore a simulator experiment was conducted in which participants had to respond to a critical situation after they were brought out of the loop, i.e. without any situation awareness. It was then analyzed whether the criticality of the situation had any influence on driving performance and level of SA. Furthermore, the SA-scores provided by the Situation Awareness Global Assessment Technique (SAGAT), and the Situation Awareness Rating Technique (SART) were evaluated. It was found that criticality did have an effect on driving performance. People had significantly less accidents as they had more time to respond to the situation. Furthermore it was found that only the SART questionnaire correlated with criticality of the situation and number of successful take-overs.
Item Type:Essay (Bachelor)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology BSc (56604)
Link to this item:http://purl.utwente.nl/essays/63226
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