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Swabbing: touchscreen-based input technique for people with hand tremor

Issue title: IEA 2012: 18th World congress on Ergonomics - Designing a sustainable future

Article type: Research Article

Authors: Mertens, Alexander | Hurtmanns, Jan | Wacharamanotham, Chatchavan | Kronenbürger, Martin | Borchers, Jan | Schlick, Christopher M.

Affiliations: Institute of Industrial Engineering and Ergonomics, RWTH Aachen University, Bergdriesch 27, 52062 Aachen, Germany | Media Computing Group, RWTH Aachen University, Ahornstraße 55, 52074 Aachen, Germany | Department of Neurology, Medical Faculty, RWTH Aachen, Pauwelsstraße 30,52074 Aachen, Germany

Note: [] Corresponding author. E-Mail: [email protected]

Keywords: HCI, touchscreen, older adults, Swabbing, tremor

DOI: 10.3233/WOR-2012-0474-2405

Journal: Work, vol. 41, no. Supplement 1, pp. 2405-2411, 2012

Published: 2012
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Abstract

Interacting with touchscreen computer systems is a challenging task for elderly tremor patients, because of a lower input accuracy caused by their tremor symptoms. Previous observations by Mertens et al. suggested that continuous movements are able to lower these symptoms. In this paper Swabbing, a input method for touchscreen systems based on such motions, is presented. A user study will show that Swabbing is able to reduce the error rate while proving equal user satisfaction compared to standard input techniques. Furthermore reasons for these benefits will be argued and explained with the use of accuracy measures by MacKenzie et al. In the end possible future enhancements of Swabbing will be discussed.

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