The study compared seven measures for evaluating the mental workload with emergency operation procedure in nuclear power plants. An experiment with simulated procedures was carried out, and the results show that eye response measures are useful for assessing temporal changes of workload whereas cardiac measures are useful for evaluating the overall workload.
OSA affected the left ventricular diastolic function in the early stage of the disease. Extended exposure to OSA resulted in left ventricular dysfunction with increased hypertension. Right ventricle dysfunction and abnormalities became more severe as the disease progressed.
The organization and presentation of information are critical in designing a display for industrial safetycritical systems. How they affect human performance is not fully studied yet. Functional displays are newly proposed for nuclear power plant (NPP) main control rooms. The effect of functional organization and the choice of information presentation styles need to be examined. This study aims to explore the effects of information organization (process display vs. functional display), parameter presentation (text vs. bar chart), and component presentation (mimic vs. simplified graph) for better understanding the pros and cons of functional displays designed following function based task analysis (FBTA). Performance data were collected from simulated procedure tasks using eight (2 × 2 × 2) displays. The results indicate that the functional display based on FBTA was more effective than the process display, and this could be mainly attributed to its functional information organization rather than to its presentation styles of parameters and components. C 2014 Wiley Periodicals, Inc.
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