Technical Briefs

Finding the Value of Immersive, Virtual Environments Using Competitive Usability Analysis

[+] Author and Article Information
Kurt M. Satter1

University of New Orleans2000 Lakeshore Drive, New Orleans, LA 70148ksatter@verizon.net

Alley C. Butler2

 University of Texas-Pan American, 1201 W. University Drive, Edinburg, TX 78539acbutler@utpa.edu


Retired, 1014 Lowndes Lane, Wylie, TX 75098.


Formerly University of New Orleans.

J. Comput. Inf. Sci. Eng 12(2), 024504 (May 14, 2012) (6 pages) doi:10.1115/1.4005722 History: Received December 06, 2011; Revised December 07, 2011; Published May 14, 2012; Online May 14, 2012

Competitive usability studies are employed providing empirical results in a design evaluation and review context. Populations of novice and experienced users are tested against benchmarks. Benchmark 1 is used to evaluate error identification and correction. Benchmark 2 is employed to evaluate the user’s ability to understand spatial relationships. Both benchmarks 1 and 2 compare individual performance with performance of teams. Benchmarks 3 measures quantity of errors found in a 4 min time frame. For benchmark 1, there is a statistically significant difference, but for benchmark 2, there is no statistical difference. For benchmark 3, there is a statistically significant increase in errors found. This increase is evaluated for impact as cost avoidance. It is concluded that cost avoidance by using a cave automatic virtual environment (CAVE) immersive virtual environment easily justifies the CAVE system.

Copyright © 2012 by American Society of Mechanical Engineers
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Figure 1

The R-2 immersive workbench with voice and glove interface

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Figure 2

The Cyberglove employed for testing

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Figure 3

The bridge of the USS San Antonio (LPD-17) in a CAVE

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Figure 4

Comparison of individual versus collaborative find/repair times

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Figure 5

Comparison of individual versus collaborative spatial awareness offsets



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