Metrics for text entry research: An evaluation of MSD and KSPC, and a new unified error metric

Conference on Human Factors in Computing Systems - Proceedings

Volumn , Issue , 2003, Pages 113-120

  Soukoreff, R William ^a   MacKenzie, I Scott ^a,b  

^a YORK UNIVERSITY   (Canada)

^b TAMPERE UNIVERSITY OF TECHNOLOGY   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH; COMPUTER KEYBOARDS; DATA ACQUISITION; ERROR DETECTION; ERROR CORRECTION; HUMAN ENGINEERING; TRANSCRIPTION;

MINIMUM STRING DISTANCE (MSD);

HUMAN COMPUTER INTERACTION; ERROR ANALYSIS;

ERROR METRICES; ERROR RATE; INPUT STREAMS; KEYSTROKES PER CHARACTERS; MEASURE-ACCURACY; TEXT ENTRY;

EID: 0038037440     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (8)

1. MacKenzie, I.S., Kober, H., Smith, D., Jones, T., and Skepner, E. (2001) LetterWise: Prefix-based disambiguation for mobile text entry, Proceedings of the ACM Symposium on User Interface Software and Technology - UIST 2002. New York: ACM.
2. 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.
3. MacKenzie, I.S. and Soukoreff, R.W. (2002) Text entry for mobile computing: Models and methods, theory and practice. Human-Computer Interaction, 17 (2&3), 147-198.
4. MacKenzie, I.S. and Soukoreff, R.W. (2002) A character-level error analysis technique for evaluating text entry methods, Proceedings of the Second Nordic Conference on Human-Computer Interaction - NordiCHI 2002. New York: ACM.
5. Matias, E., MacKenzie, I.S., and Buxton, W. (1993) Half-Qwerty: A one-handed keyboard facilitating skill transfer from Qwerty, Proceedings of the ACM Conference on Human Factors in Computing Systems - INTERCHI '93. New York, ACM.
6. Shannon, C.E., (1951) Prediction and entropy of printed English. Bell System Technical Journal, 30, 51-64.
7. Soukoreff, R.W. and MacKenzie, I.S. (2001) Measuring errors in text entry tasks: An application of the Levenshtein string distance statistic, Companion Proceedings of the ACM Conference on Human Factors in Computing Systems - CHI 2001. New York: ACM.
8. Ward, D.J., Blackwell, A.F., and MacKay, D.J.C. (2000) Dasher: A data entry interface using continuous gestures and language models, Proceedings of the ACM Symposium on User Interface Software and Technology - UIST 2000. New York: ACM.