Highlights ► This work proposes a new retrospective feedback system that uses driver identity and examines its effects on measures of driving performance and safety in a driving simulator. ► This work develops a new index – momentum of potential collision to calculate the effect of speeding on collision severity. ► Drivers benefit more from this new retrospective feedback system (e.g., fewer speeding violations, lower momentum of potential collisions) compared to the groups with feedback without driver identity and without feedback (control group). ► The work indicates the importance of showing driver identity in a feedback system design.

    Abstract Background Retrospective feedback that provides detailed information on a driver's performance in critical driving situations at the end of a trip enhances his/her driving behaviors and safe driving habits. Although this has been demonstrated by a previous study, retrospective feedback can be further improved and applied to non-critical driving situations, which is needed for transportation safety. Objectives To propose a new retrospective feedback system that uses driver identity (i.e., a driver's name) and to experimentally study its effects on measures of driving performance and safety in a driving simulator. Method We conducted a behavioral experimental study with 30 participants. “Feedback type” was a between-subject variable with three conditions: no feedback (control group), feedback without driver identity, and feedback with driver identity. We measured multiple aspects of participants’ driving behavior. To control for potential confounds, factors that were significantly correlated with driving behavior (e.g., age and driving experience) were all entered as covariates into a multivariate analysis of variance. To examine the effects of speeding on collision severity in driving simulation studies, we also developed a new index – momentum of potential collision – with a set of equations. Results Subjects who used a feedback system with driver identity had the fewest speeding violations and central-line crossings, spent the least amount of time speeding and crossing the central line, had the lowest speeding and central-line crossing magnitude, ran the fewest red lights, and had the smallest momentum of potential collision compared to the groups with feedback without driver identity and without feedback (control group). Conclusions The new retrospective feedback system with driver identity has the potential to enhance a person's driving safety (e.g., speeding, central-line crossing, momentum of potential collision), which is an indication of the valence of one's name in a feedback system design.


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    Titel :

    The effects of driver identity on driving safety in a retrospective feedback system


    Beteiligte:
    Zhao, Guozhen (Autor:in) / Wu, Changxu (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2011-08-03


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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