Immersive Visual Interfaces–Assessing Usability by the Effects of Learning/Results from an Empirical Study

[+] Author and Article Information
Per Johansson

Department of Mechanical Engineering, Division of Machine Design, Linköpings universitet, SE-581 83 LINKÖPING, Swedene-mail: perjo@ikp.liu.se

Anders Ynnerman

Department of Science and Technology, Scientific Visualisation Group, Linköpings universitet, SE-601 74 NORRKÖPING, Swedene-mail: andyn@itn.liu.se

J. Comput. Inf. Sci. Eng 4(2), 124-131 (May 28, 2004) (8 pages) doi:10.1115/1.1740775 History: Received September 01, 2003; Revised March 01, 2004; Online May 28, 2004
Copyright © 2004 by ASME
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Mean detection times for each display system in the different trials, grouped by first and second set. Total mean detection times are presented to the right.
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Graphs showing the mean detection times for each trial (all display systems included) and the number of successful trials for each treatment respectively.
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Diagram showing principle curves of display systems with different learning rates.
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Transfer terminal and stacker crane (left). Examples of an induced design error leading to malfunction: correct design of guide wheel (top), translated (middle) and rotated (bottom).
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Normalized values of “Number of successful trials” for each display.
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Data points, detection times and best fit learning curve, Immersive Workbench (top), Desktop-VR (middle) and Desktop (bottom).
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Best fit learning curve (detection times), all display systems (left). Log-log curve of the three display systems (after correction of data).
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Displacement of learning curves due to differences in experience. The circle shows the displacement of the breakeven point.




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