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» The Tao of CHI: Towards Effective Human-Computer Interaction
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CHI
2003
ACM
15 years 11 months ago
Effects of head-mounted and scene-oriented video systems on remote collaboration on physical tasks
This study assessed the value of two video configurations—a head-mounted camera with eye tracking capability and a scene camera providing a view of the work environment—on rem...
Susan R. Fussell, Leslie D. Setlock, Robert E. Kra...
CHI
1998
ACM
15 years 10 months ago
Effects of Awareness Support on Groupware Usability
Collaboration in current real-time groupware systems is often an awkward and clumsy process. We hypothesize that better support for workspace awareness can improve the usability o...
Carl Gutwin, Saul Greenberg
174
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CHI
2011
ACM
14 years 9 months ago
More than skin deep: measuring effects of the underlying model on access-control system usability
In access-control systems, policy rules conflict when they prescribe different decisions (ALLOW or DENY) for the same access. We present the results of a user study that demonstr...
Robert W. Reeder, Lujo Bauer, Lorrie Faith Cranor,...
CHI
2011
ACM
14 years 9 months ago
The effects of task dimensionality, endpoint deviation, throughput calculation, and experiment design on pointing measures and m
Fitts’ law (1954) characterizes pointing speed-accuracy performance as throughput, whose invariance to target distances (A) and sizes (W) is known. However, it is unknown whethe...
Jacob O. Wobbrock, Kristen Shinohara, Alex Jansen
CHI
2011
ACM
14 years 9 months ago
Of passwords and people: measuring the effect of password-composition policies
Text-based passwords are the most common mechanism for authenticating humans to computer systems. To prevent users from picking passwords that are too easy for an adversary to gue...
Saranga Komanduri, Richard Shay, Patrick Gage Kell...