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Proceedings Paper

Effects Of Touch Key Size And Separation On Menu-Selection Accuracy
Author(s): Robert J. Beaton; Novia Welman
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Paper Abstract

Two experiments were performed to assess the effects of touch key design parameters on menu-selection error rates, The first experiment determined that the optimal design consisted of touch keys 10,16-mm high, either 10,16- or 20, 2- wide, and separated vertically by less than 10,16 mm, The second experiment extended the investigation by including the effects of viewing angle, These latter results replicated the first experiment, but also favored the 2012-mm wide key for off-axis viewing conditions, In both experiments, the horizontal separation between touch keys did not affect menu-selection accuracy; however, subjective selection favored a 20.32-mm horizontal separation.

Paper Details

Date Published: 13 May 1985
PDF: 5 pages
Proc. SPIE 0526, Advances in Display Technology V, (13 May 1985); doi: 10.1117/12.946371
Show Author Affiliations
Robert J. Beaton, Human Factors Research Laboratory (United States)
Novia Welman, Human Factors Research Laboratory (United States)

Published in SPIE Proceedings Vol. 0526:
Advances in Display Technology V
Elliott Schlam, Editor(s)

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