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ReferencesNavigation arrowAuthorsNavigation arrowBruce W. Knerr

Publication statistics

Pub. period:1993-2005
Pub. count:6
Number of co-authors:17



Co-authors

Number of publications with 3 favourite co-authors:

James P. Bliss:4
Donald R. Lampton:4
Bob G. Witmer:2

 

 

Productive colleagues

Bruce W. Knerr's 3 most productive colleagues in number of publications:

James P. Bliss:20
J. Michael Moshell:13
Michael J. Singer:12
 
 
 
Jun 18

“ Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context. ”

-- Floyd, 1992, p. 24

 
 

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Bruce W. Knerr

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Publications by Bruce W. Knerr (bibliography)

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2005
 
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Deaton, John E., Barba, Charles, Santarelli, Thomas, Rosenzweig, Larry, Souders, Vance, McCollum, Chris, Seip, Jason, Knerr, Bruce W. and Singer, Michael J. (2005): Virtual environment cultural training for operational readiness (VECTOR). In Virtual Reality, 8 (3) pp. 156-167.

1996
 
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Witmer, Bob G., Bailey, John H., Knerr, Bruce W. and Parsons, Kimberly C. (1996): Virtual Spaces and Real World Places: Transfer of Route Knowledge. In International Journal of Human-Computer Studies, 45 (4) pp. 413-428.

“It has been widely suggested, but rarely demonstrated, that virtual environments (VEs) are effective training media. The purpose of this investigation was to evaluate how well a VE model of a complex office building trained individuals to navigate in the actual building. Sixty participants studied route directions and landmark photographs, then rehearsed the route using either the VE model, the actual building, or verbal directions and photographs. The VE model was presented in real time via a head-tracked display. Half of the participants in each rehearsal group also studied route maps. Everyone's route knowledge was then measured in the actual building. Building configuration knowledge was also measured. VE rehearsal produced more route knowledge than verbal rehearsal, but less than with rehearsal in the actual building. Type of rehearsal had no effect on configuration knowledge. Map study influenced neither route nor configuration knowledge. These results suggest that VEs that adequately represent real world complexity can be effective training media for learning complex routes in buildings, and should be considered whenever the real world site is unavailable for training.”

© All rights reserved Witmer et al. and/or Academic Press

1994
 
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Lampton, Donald R., Bliss, James P. and Knerr, Bruce W. (1994): Object Recognition, Size Estimation, and Distance Estimation in Real-World and Virtual Environments. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. p. 980.

“Technologies to immerse users in three-dimensional computer generated spaces, virtual environments (VEs), have many potential training applications. Practical training applications are limited by the costs and performance shortfalls, such as display resolution, of current immersive VE technology. Research is needed to determine technology requirements for training applications and, as important, effective methods of using the technology. To support this research we developed a battery of perceptual and psychomotor tasks to measure human performance in VEs. This paper describes the performance of twenty-four naive VE users on three of the visual tasks from the battery; object recognition, size estimation, and distance estimation. Subjects were required to recognize an object (a human figure) at a distance of 40 feet, estimate its size (height), and estimate the range to the figure as it moved toward them. Range to the figure was estimated at actual distances of 40, 30, 20, 10, 5, and 2.5 feet. A Virtual Research Flight Helmet driven by dual 486/50 mhz PCs provided a stereoscopic visual display of the virtual tasks. A separate group of 36 subjects performed the tasks in a real-world setting roughly analogous to the VE. All subjects recognized the object at a distance of 40 feet, the maximum distance used. Significant differences (p <.001) were found between VE and real-world estimates of size and distance. In the VE, subjects tended to underestimate the size of the figure and overestimate its distance. Real-world estimates were more accurate than VE but differed significantly from perfect performance.”

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

 
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Lampton, Donald R., Kolasinski, Eugenia M., Knerr, Bruce W., Bliss, James P., Bailey, John H. and Witmer, Bob G. (1994): Side Effects and Aftereffects of Immersion in Virtual Environments. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. pp. 1154-1157.

“Immersive Virtual Environment (VE) technology, also known as virtual reality, is being touted as an important new medium for education and training. Other potential applications involve communications, medicine, architecture, astronomy, data handling, teleoperation, and entertainment. A threat to the successful application of this technology is that some users of VE systems suffer unwanted side effects and aftereffects similar to, but not limited to, symptoms of motion sickness. These effects may degrade training effectiveness and jeopardize user safety and well-being. This paper describes the incidence and severity of symptoms we recorded during four different experiments which examined VE training applications. The experiments involved a variety of tasks, simulated environments, and VE systems. We administered a 28 item questionnaire that addressed symptoms related to nausea, eye strain, and dizziness. Significant variation was observed across individuals. In each”

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

 
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Lampton, Donald R., Knerr, Bruce W., Goldberg, Stephen L., Bliss, James P., Moshell, J. Michael and Blau, Brian S. (1994): The Virtual Environment Performance Assessment Battery (VEPAB): Development and Evaluation. In Presence: Teleoperators and Virtual Environments, 3 (2) pp. 145-157.

1993
 
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Moshell, J. Michael, Blau, Brian S., Knerr, Bruce W., Lampton, Donald R. and Bliss, James P. (1993): A Research Testbed for Virtual Environment Training Applications. In: VR 1993 1993. pp. 83-89.

 
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Changes to this page (author)

02 May 2011: Modified
29 Apr 2011: Modified
01 Jun 2009: Modified
26 Jun 2007: Modified
26 Jun 2007: Modified
28 Apr 2003: Added

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URL: http://www.interaction-design.org/references/authors/bruce_w__knerr.html

Publication statistics

Pub. period:1993-2005
Pub. count:6
Number of co-authors:17



Co-authors

Number of publications with 3 favourite co-authors:

James P. Bliss:4
Donald R. Lampton:4
Bob G. Witmer:2

 

 

Productive colleagues

Bruce W. Knerr's 3 most productive colleagues in number of publications:

James P. Bliss:20
J. Michael Moshell:13
Michael J. Singer:12
 
 
 
Jun 18

“ Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context. ”

-- Floyd, 1992, p. 24

 
 

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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