This paper describes an experimental paradigm and a set of preliminary results which demonstrate a relationship between the level of performance on a skilled man-machine control task, the skill of the operator, the level of mental difficulty induced by an additional task imposed on the basic control task, and visual scanning performance. During a constant, simulated piloting task, visual scanning of instruments was found to vary as a function of the level of difficulty of a verbal loading task. The average dwell time of each fixation on the pilot's primary instrument increased as a function of the loading. The scanning behavior was also a function of the estimated skill level of the pilots, with novices being affected by the loading task much more than experts. The results suggest that visual scanning of instruments in a controlled task may be an indicator of both workload and skill.


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    Titel :

    Visual scanning behavior and mental workload in aircraft pilots


    Beteiligte:
    Tole, J. R. (Autor:in) / Harris, R. L., Sr. (Autor:in) / Stephens, A. T. (Autor:in) / Ephrath, A. R. (Autor:in)

    Erscheinungsdatum :

    01.01.1982


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Instrument scan, performance, and mental workload in aircraft pilots

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