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Graphics Interface 2013

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-- Alice Kahn

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Steven Arndt

Ph.D.

Personal Homepage:
exponent.com/leaders/bios/steve_arndt.asp?employeeID=47

Current place of employment:
Exponent

Dr. Steven Arndt is an Industrial Engineer in Exponent’s Human Factors practice. He specializes in human factors, ergonomics, industrial engineering, and safety. He provides consultation in the investigation and prevention of accidents and injuries with consumer and industrial products in the home and in occupational environments. Dr. Arndt has performed investigations involving perception and reaction time, machine guarding, manual materials handling, ADA compliance and fall protection. He has conducted accident risk and injury analyses for presses, conveyors, forklifts, scaffolding, aerial boom lifts, commercial excavation equipment, amusement parks and abrasive sand-blasting using occupational and consumer injury and accident databases. Dr. Arndt has also designed and evaluated warnings, instructions, and safety information by applying industry standards, government and voluntary standards, focus groups, and laboratory testing.

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Publications by Steven Arndt (bibliography)

1991

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Wiker, Steven F., Vanderheiden, Gregg C., Lee, Seongil and Arndt, Steven (1991): Development of Tactile Mice for Blind Access to Computers: Importance of Stimulation Locus, Object Size, and Vibrotactile Display Resolution. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 708-712.

“Graphics are used increasingly in the interface and portrayal of information in application software used by modern computers. This approach, while of benefit to the sighted population, produces significant perceptual and usability problems for the blind. This paper presents the findings of a set of experiments that were conducted to evaluate recognition performance for unseen graphic objects when: a) vibrotactile cutaneous stimuli are directly presented to either the dominant hand tasked with maneuvering a mouse-driven screen sensor, or to the nonactive hand, b) graphical element size and geometric complexity are varied, and c) pixel-to-tactor mapping ratios are varied. Results showed that kinesthetic cues, and pixel-to-tactor resolution of the vibrotactile display were far more important in terms of recognition accuracy and response rate than the locus of cutaneous stimulation.”

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