Predicting operator mental workload using a time-based algorithm
Existing workload algorithms based on the Multiple Resources Theory (MRT) provide an effective approach for diagnosing operator overload caused by interference among concurrent tasks, however, their ability to handle overload in single task conditions is limited. We argue a time-based algorithm, dev...
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| Published in | Proceedings of the Human Factors and Ergonomics Society Annual Meeting Vol. 54; no. 13; pp. 987 - 991 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Los Angeles, CA
SAGE Publications
01.09.2010
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| Online Access | Get full text |
| ISSN | 1541-9312 1071-1813 2169-5067 |
| DOI | 10.1177/154193121005401314 |
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| Abstract | Existing workload algorithms based on the Multiple Resources Theory (MRT) provide an effective approach for diagnosing operator overload caused by interference among concurrent tasks, however, their ability to handle overload in single task conditions is limited. We argue a time-based algorithm, developed on the Information Processing (IP) model of workload (Hendy, Liao, & Milgram, 1997), provides a viable solution to address this limitation. In this study, we proposed a new algorithmic implementation of the IP model in the context of task network modeling. The new algorithm was implemented in a JAVA program and tested on an existing model of a Bakan vigilance task. The results obtained from the new algorithm demonstrated the feasibility of this solution. By integrating resource-based and time-based algorithms, analysts will be able to diagnose more accurately system performance breakdowns caused by operator overload. |
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| AbstractList | Existing workload algorithms based on the Multiple Resources Theory (MRT) provide an effective approach for diagnosing operator overload caused by interference among concurrent tasks, however, their ability to handle overload in single task conditions is limited. We argue a time-based algorithm, developed on the Information Processing (IP) model of workload (Hendy, Liao, & Milgram, 1997), provides a viable solution to address this limitation. In this study, we proposed a new algorithmic implementation of the IP model in the context of task network modeling. The new algorithm was implemented in a JAVA program and tested on an existing model of a Bakan vigilance task. The results obtained from the new algorithm demonstrated the feasibility of this solution. By integrating resource-based and time-based algorithms, analysts will be able to diagnose more accurately system performance breakdowns caused by operator overload. |
| Author | Wang, Wenbi Cain, Brad Lu, Xiao Long |
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| Cites_doi | 10.1518/001872008X288394 10.1007/978-1-4757-9244-7_6 10.1207/s15327108ijap0501_7 10.1518/001872097778940597 10.1007/978-1-4757-0884-4 10.1111/j.2044-8295.1959.tb00711.x 10.1080/00140138408963489 10.21236/ADA232330 |
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| References | Bakan 1959; 50 Zakay, Wooler 1984; 27 Wickens 2008; 50 Sarno, Wickens 1995; 5 Hendy, Liao, Milgram 1997; 39 Armstrong J. (bibr1-154193121005401314) 2007 Fowles-Winkler A. M. (bibr4-154193121005401314) 2004 bibr10-154193121005401314 Dahn D. A. (bibr3-154193121005401314) 1997 bibr12-154193121005401314 Wickens C. D. (bibr13-154193121005401314) 1980 Gopher D. (bibr5-154193121005401314) 1986 bibr15-154193121005401314 bibr9-154193121005401314 bibr14-154193121005401314 Pew R. W. (bibr11-154193121005401314) 1998 bibr2-154193121005401314 bibr7-154193121005401314 bibr8-154193121005401314 Hendy K. C. (bibr6-154193121005401314) 1997 |
| References_xml | – volume: 50 start-page: 449 year: 2008 end-page: 455 article-title: Multiple resources and mental workload publication-title: Human Factors – volume: 39 start-page: 30 year: 1997 end-page: 47 article-title: Combining time and intensity effects in assessing operator information processing load publication-title: Human Factors – volume: 5 start-page: 107 year: 1995 end-page: 130 article-title: The role of multiple resources in predicting timesharing efficiency publication-title: International Journal of Aviation Psychology – volume: 27 start-page: 273 year: 1984 end-page: 284 article-title: Time pressure, training, and decision effectiveness publication-title: Ergonomics – volume: 50 start-page: 323 year: 1959 end-page: 332 article-title: Extroversion-introversion and improvement in an auditory vigilance task publication-title: British Journal of Psychology – volume-title: A comparison of three workload methodologies: POP, IP/PCT, and POPIP year: 2004 ident: bibr4-154193121005401314 – volume-title: The integrated performance modelling environment: A tool for simulating human-system performance year: 1997 ident: bibr3-154193121005401314 – ident: bibr14-154193121005401314 doi: 10.1518/001872008X288394 – volume-title: Modeling human and organizational behavior: Application to military simulations year: 1998 ident: bibr11-154193121005401314 – ident: bibr10-154193121005401314 doi: 10.1007/978-1-4757-9244-7_6 – volume-title: Handbook of Perception and Human Performance: Volume II. Cognitive Processes and Performance year: 1986 ident: bibr5-154193121005401314 – ident: bibr12-154193121005401314 doi: 10.1207/s15327108ijap0501_7 – ident: bibr7-154193121005401314 doi: 10.1518/001872097778940597 – volume-title: Implementing a model of human information processing in a task network simulation environment year: 1997 ident: bibr6-154193121005401314 – ident: bibr9-154193121005401314 doi: 10.1007/978-1-4757-0884-4 – start-page: 239 volume-title: Attention and performance VIII year: 1980 ident: bibr13-154193121005401314 – ident: bibr2-154193121005401314 doi: 10.1111/j.2044-8295.1959.tb00711.x – ident: bibr15-154193121005401314 doi: 10.1080/00140138408963489 – ident: bibr8-154193121005401314 doi: 10.21236/ADA232330 – volume-title: The evolution and implementation of workload algorithms in IPME year: 2007 ident: bibr1-154193121005401314 |
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| Title | Predicting operator mental workload using a time-based algorithm |
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