What is it about?
Focusing on the efficiency aspect of computer pointing devices’ usability, this paper reports on a novel and tentative empirically derived efficiency index for 3D CAD.
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Why is it important?
Three commercially available computer pointing devices were compared_ a standard horizontal computer mouse, a vertical device (supporting neutral pronation of the forearm) and a slanted device. Pilot structured observations of 10 subjects’ activity were carried out to estimate the proportion of each unique computer mouse operation during CAD modelling with a 3D parametric software. Pointing, dragging and steering standardized tasks were implemented by software and performed by 20 users. Effectiveness and efficiency were calculated and discomfort, effort and ease of use were subjectively assessed.
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This page is a summary of: A tentative efficiency index for pointing device use in computer aided design: A pilot study, Work, October 2018, IOS Press,
DOI: 10.3233/wor-182785.
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