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ReferencesNavigation arrowAuthorsNavigation arrowPaula L. Grubb
Jun 19

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Paula L. Grubb

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Publications by Paula L. Grubb (bibliography)

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1995
 
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Grubb, Paula L., Warm, Joel S., Dember, William N. and Berch, Daniel B. (1995): Effects of Multiple-Signal Discrimination on Vigilance Performance and Perceived Workload. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1360-1364.

“Prior vigilance studies have shown that successive monitoring tasks involving absolute judgments are more capacity-demanding than simultaneous tasks which are comparative in nature. Most of these data stem from experiments utilizing simple discriminations and single-target displays, and, consequently, little is know regarding performance on sustained attention tasks with more complex displays. Observers in the present study monitored either one (0-bits display uncertainty), two (1-bit display uncertainty), or four (2-bits display uncertainty) indicators on a simulated aircraft display for the occurrence of critical signals presented in either a simultaneous or a successive format. Results indicated that correct detections declined as display uncertainty increased, and that this effect was more pronounced in the simultaneous format. Moreover, workload scores increased with display uncertainty, particularly in the simultaneous condition. These findings suggest that in more complex monitoring situations in which there is a scanning imperative successive tasks may have an advantage over their simultaneous counterparts.”

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Jun 19

“ ... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested. ”

-- Steve Krug, Don't Make Me Think, p. 136

 
 

Featured chapter

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

Read Steve's chapter !

 
 

Latest books

The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad

 
Start reading

The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

Help us help you!

 
 
 
 
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