Abstract
This study investigated the effect of automated driving systems on skill development in a simplified driving simulator task. Subjects were assigned to a level of automated support for vehicle control related to braking and gear changes (manual, semi-automated, and full-automated) in a simulation racing game which recorded fastest lap time. Trend analyses were performed to quantify (i) the linear effect of skill development evident from a progressive increase in driving speed (reduced lap time); and (ii) the curvilinear effect of a system benefit evident from peak performance during the operating races. Whereas a system benefit was evident for the full-automated system, there was evidence of skill development only for the manual condition [(F(4, 60) = 3.06, p < .05]. The results are discussed in terms of the safety implications for driver skill development and retention with the deployment of future Intelligent Transportation Systems.
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