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Bill Sherman

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Publications by Bill Sherman (bibliography)

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1988
 
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Wickens, Christopher D., Harwood, Kelly, Segal, Leon, Tkalcevic, Inge and Sherman, Bill (1988): TASKILLAN: A Simulation to Predict the Validity of Multiple Resource Models of Aviation Workload. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 168-172.

The objective of this research was to establish the validity of predictive models of workload in the context of a controlled simulation of a helicopter flight mission. The models that were evaluated contain increasing levels of sophistication regarding their assumptions about the competition for processing resources underlying multiple task performance. Ten subjects performed the simulation which involved various combinations of a low level flight task with three cognitive side tasks, pertaining to navigation, spatial awareness and computation. Side task information was delivered auditorily or visually. Results indicated that subjective workload is best predicted by relatively simple models that simply integrate the total demands of tasks over time (r = 0.65). In contrast, performance is not well predicted by these models (r < .10), but is best predicted by models that assume differential competition between processing resources (r = 0.47). The relevance of these data to predictive models and to the use of subjective measures for model validation is discussed.

© All rights reserved Wickens et al. and/or Human Factors Society

 
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Changes to this page (author)

15 Feb 2010: Modified
25 Jun 2007: Added

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May 23

Knowledge is commonly socially constructed, through collaborative efforts towards shared objectives or by dialogues and challenges brought about by different persons' perspectives.

-- G. Salomon (in "Distributed Cognitions: Psychological and Educational Considerations")

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Help us help you!