Carnegie Mellon University
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Eye-Movements During Unit-Task Execution in a Complex Problem-Solving Situation

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journal contribution
posted on 2000-07-01, 00:00 authored by Myeong-Ho Sohn, Scott A. Douglass, Mon-Chu Chen, John R. Anderson

We have studied the performance of subjects as they acquired skill in the Georgia Tech Aegis Simulation Program (GT-ASP) with a particular focus on their eye movements. Our task analysis showed that the GTASP breaks down into the selection of unit tasks and the execution of these unit tasks. We focused on the Identification unit-task. Our results showed that most of the practice benefit in Identification came from increasing efficiency during cognitive process, in which people make inferences and decisions on the basis of the currently available information. We also analyzed eye fixations when people perform this unit-task. Participants showed different fixation patterns, depending on what portion of the unit-task was being executed. Fluency in a dynamic complex problem-solving seems to be achieved by efficiency in cognitive as well as perceptual processes.




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