• Publications
  • Influence
Towards a standard for pointing device evaluation, perspectives on 27 years of Fitts' law research in HCI
TLDR
This paper makes seven recommendations to HCI researchers wishing to construct Fitts' law models for either movement time prediction, or for the comparison of conditions in an experiment. Expand
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Phrase sets for evaluating text entry techniques
TLDR
In evaluations of text entry methods, participants enter phrases of text using a technique of interest while performance data are collected. Expand
  • 641
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Metrics for text entry research: an evaluation of MSD and KSPC, and a new unified error metric
TLDR
We describe and identify shortcomings in two statistics recently introduced to measure accuracy in text entry evaluations: the minimum string distance (MSD) error rate and keystrokes per character (KSPC). Expand
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Text Entry for Mobile Computing: Models and Methods,Theory and Practice
TLDR
Text input for mobile or handheld devices is a flourishing research area. Expand
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The design and evaluation of a high-performance soft keyboard
TLDR
The design and evaluation of a high performance soft keyboardfor mobile systems are described. Expand
  • 406
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Extending Fitts' law to two-dimensional tasks
TLDR
Fitts' law, a one-dimensional model of human movement, is commonly applied to two-dimensional target acquisition tasks on interactive computing systems. Expand
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Lag as a determinant of human performance in interactive systems
TLDR
The sources of lag (the delay between input action and output response) and its effects on human performance are discussed. Expand
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Accuracy measures for evaluating computer pointing devices
TLDR
In view of the difficulties in evaluating computer pointing devices across different tasks within dynamic and complex systems, new performance measures to elicit (sometimes subtle) differences among devices in precision pointing tasks. Expand
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Fitts' Law as a Research and Design Tool in Human-Computer Interaction
  • I. MacKenzie
  • Computer Science
  • Hum. Comput. Interact.
  • 1 March 1992
TLDR
A review of six Fitts' law studies employing devices such as the mouse, trackball, joystick, touchpad, helmet-mounted sight, and eye tracker. Expand
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Testing pointing device performance and user assessment with the ISO 9241, Part 9 standard
TLDR
The IS0 9241, Part 9 Draft International Standard for testingcomputer pointing devices proposes an evaluation of performance andcomfort. Expand
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