Edwin J. Selker

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In-keyboard isometric joysticks can give better pcrforrnancc than mice for mixed typing/pointing tasks. The continuing challcngc is to improve such devices to the point that they arc preferable even for pure pointing tasks. Previous work has improved joystick performance by considering user perception and motor skills. This paper considers the dynamics of(More)
Reading disabled (RD) voters represent approximately 1 in 7 voters. Current electronic voting technologies exhibit substantially different error rates between RD voters and non-RD voters. These error rates are not consistent. For example, full-faced voting systems are better suited for RD individuals, while page-by-page systems are better for non-RD voters.(More)
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