An Evaluation of BrailleTouch: Mobile Touchscreen Text Entry for the Visually Impaired

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Fältnamn	Indikatorer	Metadata
000		03674naa a2200577 4500
001		oai:DiVA.org:kth-184703
003		SwePub
008		160403s2012 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1847032 URI
024	7	a https://doi.org/10.1145/2371574.23716232 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a kon2 swepub-publicationtype
100	1	a Southern, Caleb4 aut
245	1 0	a An Evaluation of BrailleTouch :b Mobile Touchscreen Text Entry for the Visually Impaired
264		c 2012-09-21
264	1	a New York, NY, USA :b Association for Computing Machinery (ACM),c 2012
338		a electronic2 rdacarrier
500		a QC 20160418
520		a We present the evaluation of BrailleTouch, an accessible keyboard for blind users on touchscreen smartphones. Based on the standard Perkins Brailler, BrailleTouch implements a six-key chorded braille soft keyboard. Eleven blind participants typed for 165 twenty-minute sessions on three mobile devices: 1) BrailleTouch on a smartphone; 2) a soft braille keyboard on a touchscreen tablet; and 3) a commercial braille keyboard with physical keys. Expert blind users averaged 23.2 words per minute (wpm) on the BrailleTouch smartphone. The fastest participant, a touchscreen novice, achieved 32.1 wpm during his first session. Overall, participants were able to transfer their existing braille typing skills to a touchscreen device within an hour of practice. We report the speed for braille text entry on three mobile devices, an in depth error analysis, and the lessons learned for the design and evaluation of accessible and eyes-free soft keyboards.
650	7	a NATURVETENSKAPx Data- och informationsvetenskapx Datavetenskap0 (SwePub)102012 hsv//swe
650	7	a NATURAL SCIENCESx Computer and Information Sciencesx Computer Sciences0 (SwePub)102012 hsv//eng
650	7	a NATURVETENSKAPx Data- och informationsvetenskapx Människa-datorinteraktion0 (SwePub)102042 hsv//swe
650	7	a NATURAL SCIENCESx Computer and Information Sciencesx Human Computer Interaction0 (SwePub)102042 hsv//eng
650	7	a NATURVETENSKAPx Data- och informationsvetenskapx Medieteknik0 (SwePub)102092 hsv//swe
650	7	a NATURAL SCIENCESx Computer and Information Sciencesx Media and Communication Technology0 (SwePub)102092 hsv//eng
653		a accessibility
653		a blindness
653		a chording
653		a gestures
653		a mobile devices
653		a multi-touch interaction
653		a text entry
653		a touchscreens
653		a Computer Science
653		a Datalogi
653		a Människa-datorinteraktion
653		a Human-computer Interaction
700	1	a Clawson, James4 aut
700	1	a Frey, Brian4 aut
700	1	a Abowd, Gregory4 aut
700	1	a Romero, Mario,d 1973-u Georgia Institute of Technology4 aut0 (Swepub:kth)u1doctgn
710	2	a Georgia Institute of Technology4 org
773	0	t Proceedings of the 14th International Conference on Human-computer Interaction with Mobile Devices and Servicesd New York, NY, USA : Association for Computing Machinery (ACM)g , s. 317-326q <317-326
856	4	u http://doi.acm.org/10.1145/2371574.2371623y An Evaluation of BrailleTouch
856	4	u https://kth.diva-portal.org/smash/get/diva2:916504/FULLTEXT01.pdfx primaryx Raw objecty fulltext:postprint
856	4	u http://kth.diva-portal.org/smash/get/diva2:916504/FULLTEXT01
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-184703
856	4 8	u https://doi.org/10.1145/2371574.2371623

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