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129
Voted
CHI
2007
ACM
16 years 5 months ago
A minimal model for predicting visual search in human-computer interaction
Visual search is an important part of human-computer interaction. It is critical that we build theory about how people visually search displays in order to better support the user...
Tim Halverson, Anthony J. Hornof
CHI
2007
ACM
16 years 5 months ago
Modeling and understanding students' off-task behavior in intelligent tutoring systems
We present a machine-learned model that can automatically detect when a student using an intelligent tutoring system is off-task, i.e., engaged in behavior which does not involve ...
Ryan Shaun Joazeiro de Baker
CHI
2007
ACM
16 years 5 months ago
Context & usability testing: user-modeled information presentation in easy and difficult driving conditions
A 2x2 enhanced Wizard-of-Oz experiment (N = 32) was conducted to compare two different approaches to presenting information to drivers in easy and difficult driving conditions. Da...
Jiang Hu, Andi Winterboer, Clifford Nass, Johanna ...
141
Voted
CHI
2007
ACM
16 years 5 months ago
Usability testing: what have we overlooked?
For more than a decade, the number of usability test participants has been a major theme of debate among usability practitioners and researchers keen to improve usability test per...
Gitte Lindgaard, Jarinee Chattratichart
133
Voted
CHI
2007
ACM
16 years 5 months ago
The role of choice and customization on users' interaction with embodied conversational agents: effects on perception and perfor
We performed an empirical study exploring people's interactions with an embodied conversational agent (ECA) while performing two tasks. Conditions varied with respect to 1) w...
Jun Xiao, John T. Stasko, Richard Catrambone