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    Texting while driving: is speech-based text entry less risky than handheld text entry?

    Date
    2014-11
    Author
    He, Jibo
    Chaparro, Alex
    Nguyen, Bobby T.
    Burge, Rondell J.
    Crandall, Joseph
    Chaparro, Barbara S.
    Ni, Rui
    Cao, Shi
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    Citation
    He, Jibo; Chaparro, Alex; Nguyen, Bobby T.; Burge, Rondell J.; Crandall, Joseph; Chaparro, Barbara S.; Ni, Rui; Cao, S. 2014. Texting while driving: is speech-based text entry less risky than handheld text entry?. Accident Analysis & Prevention, vol. 72:pp 287–295
    Abstract
    Research indicates that using a cell phone to talk or text while maneuvering a vehicle impairs driving performance. However, few published studies directly compare the distracting effects of texting using a hands-free (i.e., speech-based interface) versus handheld cell phone, which is an important issue for legislation, automotive interface design and driving safety training. This study compared the effect of speech-based versus handheld text entries on simulated driving performance by asking participants to perform a car following task while controlling the duration of a secondary text-entry task. Results showed that both speech-based and handheld text entries impaired driving performance relative to the drive-only condition by causing more variation in speed and lane position. Handheld text entry also increased the brake response time and increased variation in headway distance. Text entry using a speech-based cell phone was less detrimental to driving performance than handheld text entry. Nevertheless, the speech-based text entry task still significantly impaired driving compared to the drive-only condition. These results suggest that speech-based text entry disrupts driving, but reduces the level of performance interference compared to text entry with a handheld device. In addition, the difference in the distraction effect caused by speech-based and handheld text entry is not simply due to the difference in task duration.
    Description
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    URI
    http://dx.doi.org/10.1016/j.aap.2014.07.014
    http://hdl.handle.net/10057/11002
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