Drivers using the automated systems in self-driving cars responded worse than those manually driving, in terms of reaction time and other factors, to a safety critical event. These results also found that being engaged in non-driving tasks further impaired driver responses.

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Drivers using the automated systems in self-driving cars responded worse than those manually driving, in terms of reaction time and other factors, to a safety critical event. These results also found that being engaged in non-driving tasks further impaired driver responses.