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Foundation ::
Project Management ::
MAT
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MAT
Multi-Attribute Task Battery for Human Operator Workload and Strategic Behavior Research
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SOURCE CODE AVAILABLE
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MAT, a Multi-Attribute Task battery, gives the researcher the capability of performing multi-task workload and performance experiments. The battery provides a
benchmark set of tasks for use in a wide range of laboratory studies of operator performance and workload. MAT incorporates tasks analogous to activities that aircraft
crew members perform in flight, while providing a high degree of experiment control, performance data on each subtask, and freedom to use non-pilot test subjects.
The MAT battery primary display is composed of four separate task windows which are as follows: a monitoring task window which includes gauges and warning
lights, a tracking task window for the demands of manual control, a communication task window to simulate air traffic control communications, and a resource
management task window which permits maintaining target levels on a fuel management task. In addition, a scheduling task window gives the researcher information
about future task demands. The battery also provides the option of manual or automated control of tasks. The task generates performance data for each subtask. The task
battery may be paused and onscreen workload rating scales presented to the subject.
The MAT battery was designed to use a serially linked second computer to generate the voice messages for the Communications task. The MATREMX program and
support files, which are included in the MAT package, were designed to work with the Heath Voice Card (Model HV-2000, available through the Heath Company,
Benton Harbor, Michigan 49022); however, the MATREMX program and support files may easily be modified to work with other voice synthesizer or digitizer cards.
The MAT battery task computer may also be used independent of the voice computer if no computer synthesized voice messages are desired or if some other method of
presenting auditory messages is devised.
MAT carries the NASA case number LAR-14904. It was originally released as part of the COSMIC collection.
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