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Human Factors: The Journal of the Human Factors and Ergonomics Society
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Adaptive Automation of Human-Machine System Information-Processing Functions

David B. Kaber

North Carolina State University, Raleigh, North Carolina

Melanie C. Wright

Duke University Medical Center, Durham, North Carolina

Lawrence J. Prinzel, III

NASA Langley Research Center, Hampton Roads, Virginia

Michael P. Clamann

Micro Analysis & Design, Boulder, Colorado

The goal of this research was to describe the ability of human operators to interact with adaptive automation (AA) applied to various stages of complex systems information processing, defined in a model of human-automation interaction. Forty participants operated a simulation of an air traffic control task. Automated assistance was adaptively applied to information acquisition, information analysis, decision making, and action implementation aspects of the task based on operator workload states, which were measured using a secondary task. The differential effects of the forms of automation were determined and compared with a manual control condition. Results of two 20-min trials of AA or manual control revealed a significant effect of the type of automation on performance, particularly during manual control periods as part of the adaptive conditions. Humans appear to better adapt to AA applied to sensory and psychomotor information-processing functions (action implementation) than to AA applied to cognitive functions (information analysis and decision making), and AA is superior to completely manual control. Potential applications of this research include the design of automation to support air traffic controller information processing.

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 47, No. 4, 730-741 (2005)
DOI: 10.1518/001872005775570989
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