Experimental evaluations of the Twiddler one-handed chording mobile keyboard

Human-Computer Interaction

Volumn 21, Issue 4, 2006, Pages 343-392

  Lyons, Kent ^a   Starner, Thad ^a   Gane, Brian ^b  

^a Georgia Institute of Technology   (United States)

^b GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER AIDED INSTRUCTION; HUMAN COMPUTER INTERACTION; LEARNING SYSTEMS; MOBILE COMPUTING;

CHORDING TUTORIAL; MULTICHARACTER CHORDS; ONE-HANDED CHORDING MOBILE KEYBOARD; TEXT ENTRY METHODS;

COMPUTER KEYBOARDS;

EID: 33845868804     PISSN: 07370024     EISSN: None     Source Type: Journal    
DOI: 10.1207/s15327051hci2104_1     Document Type: Article

References (36)

1. Baker, S., Green, H., Einhorn, B., Ihlwan, M., Reinhardt, A., Greene, J., et al. (2004, June 21). Big bang! BusinessWeek. Retrieved February 1, 2006, from http://www.businessweek.com/magazine/content/04_25/ b3888601.htm
2. Butts, L., & Cockburn, A. (2002). An evaluation of mobile phone text input methods. Proceedings of the AUIC 2002. Melbourne, Australia: ACS.
3. Card, S. K., Moran, T. P., & Newell, A. F. (1983). The psychology of human-computer interaction. Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
4. Catrambone, R., & Carroll J. M. (1987). Learning a word processing system with training wheels and guided exploration. Proceedings of the CHI '87 Conference on Human Factors in Computing Systems. New York: ACM.
5. Clawson J., Lyons, K., Starner, T., & Clarkson, E. (2005). The impacts of limited visual feedback on mobile text entry for the Twiddler and mini-QWERTY keyboards. Proceedings of the ISWC 2005. Los Alamitos, CA: IEEE.
6. Conrad, R., & Longman, D. J. A. (1965). Standard typewriter versus chord keyboard: An experimental comparison. Ergonomics, 8, 77-88.
7. Gopher, D., & Raij, D. (1988). Typing with a two-hand chord keyboard: Will the QWERTY become obsolete? IEEE Transactions on Systems, Man, and Cybernetics, 18, 601-609.
8. Hart, S. G., & Staveland, L. E. (1988). Development of NASA-TLX (Task Load Index): Results of empirical and theoretical research. In P. A. Hancock & N. Meshkati (Eds.), Human mental workload (pp. 139-183). Amsterdam: North-Holland.
9. Henderson, V., Grinter, R., & Starner., T. (2005). Electronic communication by deaf teenagers (Technical Report GIT-GVU-05-34). Atlanta: Georgia Institute of Technology, Graphics Vizualization and Usability Center, College of Computing.
10. Hill, S. G., Iavecchia, H. P., Byers, J. C., Bittner, A. C., Zaklad, A. L., & Christ, R. E. (1992). Comparison of four subjective workload rating scales. Human Factors, 34, 429-439.
11. James, C. L., & Reischel, K. M. (2001). Text input for mobile devices: Comparing model prediction to actual performance. Proceedings of the CHI 2001 Conference on Human Factors in Computing Systems. New York: CHI.
12. Leech, G., Rayson, P., & Wilson, A. (2001). Word frequencies in written and spoken English: Based on the British National Corpus. London: Longman.
13. Lindstom, M. (2002, February 26). Message madness our big chance. Sydney Morning Herald. Retrieved February 1, 2006, from http://www.smh.com.au/ articies/2002/02/26/1014471636718.html
14. Lyons, K. (2003). Everyday wearable computer use: A case study of an expert user. Proceedings of the Fifth International Symposium on Human-Computer Interaction with Mobile Devices. Heidelberg, Germany: Springer-Verlag.
15. Lyons, K., Gane, B. D., Starner, T., & Catrambone, R. (2005). Improving novice performance on the Twiddler one-handed chording keyboard. Proceedings of the International Forum on Applied Wearable Computing. Berlin, Germany: VDE VERLAG GMBH.
16. Lyons, K., Plaisted, D., & Starner, T (2004). Expert chording text entry on the Twiddler one-handed keyboard. Proceedings of the ISWC 2004. Los Alamitos, CA: IEEE.
17. Lyons, K., Starner, T., Plaisted, D., Fusia, J., Lyons, A., Drew, A., et al. (2004). Twiddler typing: One-handed chording text entry for mobile phones. Proceedings of the CHI 2004 Conference on Human Factors in Computing Systems. New York: ACM.
18. MacKenzie, I. S. (2002). KSPC (keystrokes per character) as a characteristic of text entry techniques. Proceedings of the Fourth International Symposium on Human-Computer Interaction with Mobile Devices. Heidelberg, Germany: Springer-Verlag.
19. MacKenzie, I. S., Kober, H., Smith, D., Jones, T., & Skepner, E. (2001). Letter Wise: Prefix-based disambiguation for mobile text input. Proceedings of the UIST 2001 Symposium. New York: ACM.
20. MacKenzie, I. S., & Soukoreff, R. W. (2003). Phrase sets for evaluating text entry techniques. Extended Abstracts of the CHI 2003 Conference on Human Factors in Computing Systems. New York: ACM.
21. MacKenzie, I. S., & Zhang, S. X. (1999) The design and evaluation of a high-performance soft keyboard. Proceedings of the CHI '99 Conference on Human Factors in Computing Systems. New York: ACM.
22. Matias, E., MacKenzie, I. S., & Buxton, W. (1993). Half-QWERTY: A one-handed keyboard facilitating skill transfer from QWERTY. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 88-94). New York: ACM Press.
23. Matias, E., MacKenzie, I. S., & Buxton, W. (1996). One-handed typing with a QWERTY keyboard. Human-Computer Interaction, 11, 1-27.
24. Noyes, J. (1983). Chord keyboards. Applied Ergonomics, 14,55-59.
25. Ratz, H. C., & Ritchie, D. K. (1961). Operator performance on a chord keyboard. Journal of Applied Psycholgy, 45, 303-308.
26. Schneider, W. (1985). Training high-performance skills: Fallacies and guidelines. Human Factors, 27, 285-300.
27. Schumacher, E. H., Lauber, E.J., Glass, J. M., Zurbriggen, E. L., Gmeindl, L., Kieras, D. E., et al. (1999). Concurrent response-selection processes in dual-task performance: Evidence for adaptive executive control of task scheduling.Journal of Experimental Psychology: Human Perception and Performance, 25, 791-814.
28. Seibel, R. (1962). Performance on a five-finger chord keyboard. Journal of Applied Psychology, 46, 165-169.
29. Silfverberg, M. (2003). Using mobile keypads with fimited visual feedback: Implications to handheld and wearable devices. Proceedings of fifth International Symposium on Human-Computer Interaction with Mobile Devices. Heidelberg, Germany: Springer-Verlag.
30. Silfverberg, M., MacKenzie, I. S., & Korhonen, P. (2000). Predicting text entry speeds on mobile phones. Proceedings of the CHI 2000 Conference on Human Factors in Computing Systems. New York: ACM.
31. Soukoreff, K W., & MacKenzie, I. S. (2003). Metrics for text entry research: An evaluation of MSD and KSPC, and a new unified error metric. Proceedings of the CHI 2003 Conference on Human Factors in Computing Systems. New York: ACM.
32. Starner, T. (2000). Wearable computing and context awareness. Unpublished doctoral thesis, Massachusetts Institute of Technology Media Laboratory, Cambridge.
33. Wigdor D., & Balakrishnan, R. (2003). TiltText: Using tilt for text input to mobile phones. Proceedings of the UIST 2001 Symposium New York: ACM.
34. Wigdor D., & Balakrishnan, R. (2004). A comparison of consecutive and concurrent input text entry techniques for mobile phones. Proceedings ofthe CHI 2004 Conference on Human Factors in Computing Systems. New York: ACM.
35. Women embracing SMS-study. (2002, October). Retrieved February 2,2006, from http://www.mobileoffice.co.za/news_2002/ 100202-women_embracing_sms.htm
36. Yeh, Y., & Wickens, C. D. (1988). Dissociation of performance and subjective measures of workload. Human Factors, 30, 111-120.