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Do drivers need to know all ADAS limitations? A comparison of two training approaches for advanced driver assistance systems
DescriptionExpecting drivers to remember numerous limitations may not be a practical approach to training for advanced driver assistance systems (ADAS). One alternative is focusing on the importance of the driver remaining engaged (responsibility-focused approach). We investigated the effects of two training videos (responsibility-focused and limitation-focused) on situational trust and reliance intention. Sixty-three participants watched 16 video scenarios (8 that require takeover, 8 no takeover) at three time points: pre-training, post-training, and a follow-up session (minimum four weeks later). After each scenario, they reported whether they would manually intervene and their trust in ADAS (assessing situational reliance intention and trust, respectively). We did not find a significant difference between approaches in terms of appropriate reliance or trust in takeover scenarios. However, the limitation-focused video was associated with a negative bias (i.e., bias towards intervening) at post-training, and lower trust in no takeover scenarios at post-training and follow-up.