Subjective and objective measurements found to correlate and complement each other. Two ways of measuring workload of operator in large interactive computer system have shown meaningful and easy to use. One method based on operators' ratings of stress after subtasks in continuous task. Other method based on workload ratio, W, ratio of time required for operator to do subtask to time allowed for it. Both sensitive to workload level and individual subtasks in continuing interactive computer task. Pinpoints subtasks that press operator and use up too much available time, perhaps leading to operator errors and even failure of system. Gives clear indication when operator approaches allowed time and shows when risk of trouble becomes high.


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    Title :

    Measuring Computer-Operator Workload


    Contributors:
    Hird, E. E. (author) / Lemay, M. (author)

    Published in:

    Publication date :

    1987-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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