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Influence of step complexity and presentation style on step performance of computerized emergency operating procedures

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  • Xu, Song
  • Li, Zhizhong
  • Song, Fei
  • Luo, Wei
  • Zhao, Qianyi
  • Salvendy, Gavriel

Abstract

With the development of information technology, computerized emergency operating procedures (EOPs) are taking the place of paper-based ones. However, ergonomics issues of computerized EOPs have not been studied adequately since the industrial practice is quite limited yet. This study examined the influence of step complexity and presentation style of EOPs on step performance. A simulated computerized EOP system was developed in two presentation styles: Style A: one- and two-dimensional flowcharts combination; Style B: two-dimensional flowchart and success logic tree combination. Step complexity was quantified by a complexity measure model based on an entropy concept. Forty subjects participated in the experiment of EOP execution using the simulated system. The results of data analysis on the experiment data indicate that step complexity and presentation style could significantly influence step performance (both step error rate and operation time). Regression models were also developed. The regression analysis results imply that operation time of a step could be well predicted by step complexity while step error rate could only partly predicted by it. The result of a questionnaire investigation implies that step error rate was influenced not only by the operation task itself but also by other human factors. These findings may be useful for the design and assessment of computerized EOPs.

Suggested Citation

  • Xu, Song & Li, Zhizhong & Song, Fei & Luo, Wei & Zhao, Qianyi & Salvendy, Gavriel, 2009. "Influence of step complexity and presentation style on step performance of computerized emergency operating procedures," Reliability Engineering and System Safety, Elsevier, vol. 94(2), pages 670-674.
    • Handle: RePEc:eee:reensy:v:94:y:2009:i:2:p:670-674
    DOI: 10.1016/j.ress.2008.07.001
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    1. Xu, Song & Song, Fei & Li, Zhizhong & Zhao, Qianyi & Luo, Wei & He, Xuhong & Salvendy, Gavriel, 2008. "An ergonomics study of computerized emergency operating procedures: Presentation style, task complexity, and training level," Reliability Engineering and System Safety, Elsevier, vol. 93(10), pages 1500-1511.
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    Cited by:

    1. Ham, Dong-Han & Park, Jinkyun & Jung, Wondea, 2012. "Model-based identification and use of task complexity factors of human integrated systems," Reliability Engineering and System Safety, Elsevier, vol. 100(C), pages 33-47.
    2. Venkataraghavan Krishnaswamy & R. P. Sundarraj, 2017. "Organizational implications of a comprehensive approach for cloud-storage sourcing," Information Systems Frontiers, Springer, vol. 19(1), pages 57-73, February.
    3. Liu, Peng & Li, Zhizhong, 2014. "Comparison of task complexity measures for emergency operating procedures: Convergent validity and predictive validity," Reliability Engineering and System Safety, Elsevier, vol. 121(C), pages 289-293.

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