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Please use this identifier to cite or link to this item: http://hdl.handle.net/10373/1186

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Title: A submovement analysis of cursor trajectories
Authors: Hwang, F.
Keates, Simeon
Langdon, P.
Clarkson, J.
Affiliation: University of Abertay Dundee. School of Computing & Engineering Systems
Keywords: Motion-impaired
Disability
Computer access
Cursor control
Pointing device
Computer mouse
Movement trajectories
Performance measurement
Submovement
Microstructure
Issue Date: 2005
Publisher: Taylor & Francis
Type: Journal Article
Refereed: peer-reviewed
Rights: Published version (c)Taylor & Francis, available from http://dx.doi.org/10.1080/01449290412331327474
Citation: Hwang, F., et al. 2005. A submovement analysis of cursor trajectories. Behaviour and Information Technology. 24(3): pp.205-217. Available from http://dx.doi.org/10.1080/01449290412331327474
Abstract: Understanding human movement is key to improving input devices and interaction techniques. This paper presents a study of mouse movements of motion-impaired users, with an aim to gaining a better understanding of impaired movement. The cursor trajectories of six motion-impaired users and three able-bodied users are studied according to their submovement structure. Performance measures based on submovement structure are described, including the frequency and duration of pauses between submovements, verification times, the number of submovements, the peak speed of submovements and the accuracy of submovements in two dimensions. The measures are shown to be sensitive to differences between users with dissimilar physical capabilities. Results include findings that some motion-impaired users pause more often and for longer than able-bodied users, require up to five times more submovements to complete the same task, and exhibit a greater decline in accuracy with increasing speed than able-bodied users.
URI: http://hdl.handle.net/10373/1186
ISSN: 0144-929X
Appears in Collections:Computing & Engineering Systems Collection

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