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Graphics Interface 2013

May 29

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May 22

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Darin Ellis

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Publications by Darin Ellis (bibliography)

2000

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Zaphiris, Panayiotis and Ellis, Darin (2000): Mathematical Modeling of Age Differences in Hierarchical Navigation Systems. In: Proceedings of the 2000 ACM Conference on Universal Usability 2000. pp. 157-158.

“This poster presents a modification to an existing mathematical model for depth-breath tradeoff of menu-selection to account for age related differences.”

1992

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Yun, Myung Hwan, Kotani, Kentaro and Ellis, Darin (1992): Using Force-Sensitive Resistors to Evaluate Hand Tool Grip Design. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 806-810.

“The pressure distribution of the hand is an important element in evaluating hand tool grip. For measuring the pressure distributions of the hand, a portable sensor glove was developed using force sensitive resistors of the conductive polymer type. Pressure distributions of three hand tools for three male subjects were measured. The pressure distribution pattern varied significantly between type of grip, location, and subjective exertion level. Factor analysis was used to identify the relative importance of each area of the hand doing grip action. The results showed that there is an 'active' area involved in gripping the hand tool and a 'control' area which supports the hand motion for the given task. Studies about hand tool pressure distributions will provide an important guideline in designing a new tool or improving an existing one. A microcomputer based system is being developed that records data on grip pressure distribution throughout a tool grip task. The digitized data then will be analyzed both graphically and statistically and will be used to evaluate various hand tools for industrial settings.”

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