Fixation Errors: Failures to Revise Situation Assessment in Dynamic and Risky Systems

  • V. De Keyser
  • D. D. Woods
Part of the ISPRA Courses book series (ISPA, volume 6)


Many critical real world human problem solving situations take place in dynamic event-drivers environments, where the evidence comes over time and situations can change rapidly. In these situations people must amass and integrate, uncertain, incomplete and changing evidence. A major source of human error in dynamic domains seems to be a failure to revise situation assessment as new evidence comes in. This paper will be concerned with the identification of the main descriptive patterns of fixation errors and with how to build new sytems to reduce this type of error. It will also begin the process of building a theory of fixation errors.


Mental Workload Fixation Error Nuclear Regulatory Commission Situation Assessment Garden Path 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© ECSC, EEC, EAEC, Brussels and Luxembourg 1990

Authors and Affiliations

  • V. De Keyser
    • 1
  • D. D. Woods
    • 2
  1. 1.Université de LiègeLiègeBelgium
  2. 2.The Ohio State UniversityColumbusUSA

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