This research investigates the importance of the layout of a keyboard to using braille, which is highly dependent on its spatial arrangement. The design and layout of a keyboard for entering braille changes the mental effort required to transform the dots prior to inputting the braille cells. The design of two keyboards that can be used for entering braille onto an electronic device are contrasted for the research. Keyboard 1 has the dots on the top and Keyboard 2 has the dots underneath. Each has inherent advantages and disadvantages.
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Ellis, K. and Holloway, L. (2018) Turn It Over: A Demonstration That Spatial Keyboards are Logical for Braille. In Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18). ACM, New York, NY, USA, 459-461. DOI: https://doi.org/10.1145/3234695.3241010