Manual and Cognitive Benefits of Two-Handed Input: An Experimental Study Bill Buxton Chief Scientist, Alias|Wavefront, Inc. Shumin Zhai IBM Almaden Research Center Andrea Leganchuk Cognos Inc. Stretchy widgets, such as rubber-band lines, have been a part of GUIs for over a decade. But, with only a few notable exceptions, such as Krueger (1983), all of these stretchy widgets are "nailed down" at one end. Consequently, the way that we interact with rubber-band lines, for example, resembles how we interact with a catapult in the physical world, rather than how we typically manipulate an elastic band. Bearing this in mind,…
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