The strategies of expert and novice petrochemical control room operators were investigated using eye-tracking as they monitored and corrected a crude refinement simulation. Plotted scan paths were used to investigate the differences in eye behavior of three expert control room operators and six novice students. The effects of expertise and interface type on participant eye movements were evaluated. Scan path analysis revealed that monitoring strategy and interface type influenced how quickly participants were able to detect changes on-screen, though monitoring strategy did not depend on expertise level. Overall, eye-tracking successfully identified the effects of monitoring strategy and interface type on performance.
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