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D. Rempel

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Publications by D. Rempel (bibliography)

2012

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Camilleri, M., Chu, B., Ramesh, A., Odell, D. and Rempel, D. (2012): Indirect Touch Pointing with Desktop Computing: Effects of Trackpad Size and Input mapping on Performance, Posture, Discomfort, and Preference. In: Proceedings of the Human Factors and Ergonomics Society 2012 Annual Meeting 2012. pp. 1114-1118.

“Multi-touch trackpads have the advantage over traditional pointing devices (mice) in being able to recognize and act on finger gestures, such as pinching, rotating, and swiping. The primary objective of this study was to quantify the effects of desktop-trackpad size and input mapping on performance, posture and discomfort. Three trackpad sizes (112X63 mm, 178X100 mm, 230 X130 mm) and two types of input mapping, the traditional relative mapping with 'cursor acceleration' and absolute mapping, were tested. Subjects performed a series of target acquisition tasks (drag and select) while the dependent variables were recorded. Results suggest that peripheral indirect-touch pointing devices with a width between 112 and 178 mm and a depth between 63 and 100 mm may provide an appropriate balance between cost, footprint, performance, and comfort.”

2003

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Rempel, D., Hertzer, E. and Brewer, R. (2003): Computer Input with Gesture Recognition: Comfort and Pain Ratings of Hand Postures. In: Proceedings of the Tenth International Conference on Human-Computer Interaction 2003. pp. 123-127.

1995

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Honan, M., Serina, E., Tal, R. and Rempel, D. (1995): Wrist Postures While Typing on a Standard and Split Keyboard. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 366-368.

“Fifty experienced typists participated in a laboratory based repeated measures study with two factors: keyboard height (three) and keyboard configuration (three). The work surface heights tested were 63, 67 and 71 cm. The three keyboard configurations tested were: standard (Apple Extended), alternative keyboard A (Microsoft Natural Keyboard) and alternative keyboard B (equivalent to Natural Keyboard with Leveler extended). Wrist and forearm posture data was acquired using electronic goniometers during 10 minutes of typing at each keyboard/height level. Across all heights tested, wrist extension, wrist ulnar deviation, and forearm pronation were statistically significantly closer to neutral when using alternative keyboard B than when using the standard keyboard.”

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