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  Improving Two-thumb Text Entry on Touchscreen Devices

Oulasvirta, A., Reichel, A., Li, W., Zhang, Y., Bachynskyi, M., Vertanen, K., et al. (2013). Improving Two-thumb Text Entry on Touchscreen Devices. In S. Bødker, S. Brewster, P. Baudisch, M. Beaudouin-Lafon, & W. E. Mackay (Eds.), CHI 2013 (pp. 2765-2775). New York, NY: ACM. doi:10.1145/2470654.2481383.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0015-3E5B-5 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-B67F-4
Genre: Conference Paper

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 Creators:
Oulasvirta, Antti1, Author           
Reichel, Anna1, Author           
Li, Wenbin1, Author           
Zhang, Yan1, Author           
Bachynskyi, Myroslav1, Author           
Vertanen, Keith2, Author
Kristensson, Per Ola2, Author
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2External Organizations, ou_persistent22              

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 Abstract: We study the design of split keyboards for fast text entry with two thumbs on mobile touchscreen devices. The layout of KALQ was determined through first studying how users should grip a device with two hands. We then assigned letters to keys computationally, using a model of two-thumb tapping. KALQ minimizes thumb travel distance and maximizes alternation between thumbs. An error correction algorithm was added to help address linguistic and motor errors. Users reached a rate of 37 words per minute (with a 5% error rate) after a training program.

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Language(s): eng - English
 Dates: 20132013
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: oulasvirta2013improving
DOI: 10.1145/2470654.2481383
Other: Local-ID: B5FE79DD81002D26C1257AF00022A8D9-Oulasvirta2013tablet
 Degree: -

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Title: The 31st Annual CHI Conference on Human Factors in Computing Systems
Place of Event: Paris, France
Start-/End Date: 2013-04-27 - 2013-05-02

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Title: CHI 2013
  Abbreviation : CHI 2013
  Subtitle : Changing Perspectives ; the 31st Annual CHI Conference on Human Factors in Computing Systems, Conference Proceedings
Source Genre: Proceedings
 Creator(s):
Bødker, Susanne1, Editor
Brewster, Steven1, Editor
Baudisch, Patrick1, Editor
Beaudouin-Lafon, Michel1, Editor
Mackay, Wendy E.1, Editor
Affiliations:
1 External Organizations, ou_persistent22            
Publ. Info: New York, NY : ACM
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 2765 - 2775 Identifier: ISBN: 978-1-4503-1899-0