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CHI
2009
ACM
16 years 7 months ago
A survey of software learnability: metrics, methodologies and guidelines
It is well-accepted that learnability is an important aspect of usability, yet there is little agreement as to how learnability should be defined, measured, and evaluated. In this...
Tovi Grossman, George W. Fitzmaurice, Ramtin Attar
CHI
2009
ACM
16 years 7 months ago
Correlations among prototypical usability metrics: evidence for the construct of usability
Correlations between prototypical usability metrics from 90 distinct usability tests were strong when measured at the task-level (r between .44 and .60). Using test-level satisfac...
Jeff Sauro, James R. Lewis
CHI
2009
ACM
16 years 7 months ago
Longitudinal study of people learning to use continuous voice-based cursor control
We conducted a 2.5 week longitudinal study with five motor impaired (MI) and four non-impaired (NMI) participants, in which they learned to use the Vocal Joystick, a voice-based u...
Susumu Harada, Jacob O. Wobbrock, Jonathan Malkin,...
CHI
2009
ACM
16 years 7 months ago
From x-rays to silly putty via Uranus: serendipity and its role in web search
The act of encountering information unexpectedly has long been identified as valuable, both as a joy in itself and as part of task-focused problem solving. There has been a concer...
Jaime Teevan, Paul André, Susan T. Dumais
CHI
2009
ACM
16 years 7 months ago
Using strokes as command shortcuts: cognitive benefits and toolkit support
This paper investigates using stroke gestures as shortcuts to menu selection. We first experimentally measured the performance and ease of learning of stroke shortcuts in comparis...
Caroline Appert, Shumin Zhai