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Network Performance Impacts On Operators In Safety-Critical Systems

Author

Listed:
  • TUNCAY BAYRAK

    (Western New England College, School of Business, Computer Information Systems (CIS) Department, 1215 Wilbraham Road, Springfield, MA 01119, USA)

  • MARTHA R. GRABOWSKI

    (Le Moyne College, Syracuse, NY, 13214, USA;
    Rensselaer Polytechnic Institute, Troy, NY 12180, USA)

Abstract

Safety-critical wide area networks are comprised of human and technical elements cooperatively performing tasks in a safety-critical setting. In such settings, both human and technical dimensions are critical in performance evaluation. It is the relationships between changes in network performance and their impacts on human operator performance with safety-critical wide area networks that we investigate in this research. The paper begins by examining the theoretical background for this research, and then describes the research model. It was found that decreases in network reliability were associated with expected degradations in operator satisfaction, operator confidence, and increases in operator workload. Likewise, it was found that an increased number of network tasks processed was associated with a decrease in operator accuracy and decreased operator communication. The results of this study suggest that understanding the impact of the network performance on human performance is important in safety-critical settings employing wide-area networks.

Suggested Citation

  • Tuncay Bayrak & Martha R. Grabowski, 2006. "Network Performance Impacts On Operators In Safety-Critical Systems," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 5(01), pages 173-194.
    • Handle: RePEc:wsi:ijitdm:v:05:y:2006:i:01:n:s0219622006001836
    DOI: 10.1142/S0219622006001836
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