• John G Gaspar, Whitney N Street, Matthew B Windsor, Ronald Carbonari, Henry Kaczmarski, Arthur F Kramer, and Kyle E Mathewson.
• Beckman Institute for Advanced Science and Technology, University of Illinois Department of Psychology, University of Illinois.
• Psychol Sci. 2014 Dec 1; 25 (12): 2136-46.

AbstractCell-phone use impairs driving safety and performance. This impairment may stem from the remote partner's lack of awareness about the driving situation. In this study, pairs of participants completed a driving simulator task while conversing naturally in the car and while talking on a hands-free cell phone. In a third condition, the driver drove while the remote conversation partner could see video of both the road ahead and the driver's face. We tested the extent to which this additional visual information diminished the negative effects of cell-phone distraction and increased situational awareness. Collision rates for unexpected merging events were high when participants drove in a cell-phone condition but were reduced when they were in a videophone condition, reaching a level equal to that observed when they drove with an in-car passenger or drove alone. Drivers and their partners made shorter utterances and made longer, more frequent traffic references when they spoke in the videophone rather than the cell-phone condition. Providing a view of the driving scene allows remote partners to help drivers by modulating their conversation and referring to traffic more often.© The Author(s) 2014.

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