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The Functional Resource Hypothesis as a Basis for Understanding Cognitive Workload in Immediate Interactive Behavior
Understanding workload requires understanding the control of cognition at the 1/3 to 3s time span during which cognitive, perceptual, and motor operations become bound together into interactive routines. Interactive routines constitute unit tasks (3 to 30 s), and unit tasks constitute subtasks (30s...
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Published in: | Proceedings of the Human Factors and Ergonomics Society Annual Meeting 2009-10, Vol.53 (4), p.404-408 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | Understanding workload requires understanding the control of cognition at the 1/3 to 3s time span during which cognitive, perceptual, and motor operations become bound together into interactive routines. Interactive routines constitute unit tasks (3 to 30 s), and unit tasks constitute subtasks (30s to 3min). To reduce cognitive workload and overload, the Functional Resource Hypothesis maintains that an optimal allocation of interactive routines to task performance would be based on the functional resource of time not modality. Some of the implications of this hypothesis are investigated in an empirical study that varied memory load as well as the demands on the eyes, visual attention, auditory cognition, and motor operations. A microanalysis of the data revealed tradeoffs between groups in their pattern of resource allocation that were compatible with the Functional Resource Hypothesis. |
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ISSN: | 1541-9312 1071-1813 2169-5067 |
DOI: | 10.1177/154193120905300450 |