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CHI
2011
ACM
14 years 1 months ago
Donate for credibility: how contribution incentives can improve credibility
This study explores whether certain contribution incentives for online user-generated content can undermine or enhance contributor’s credibility. Through an online experiment, w...
Gary Hsieh, Scott E. Hudson, Robert E. Kraut
CHI
2011
ACM
14 years 1 months ago
Experimental analysis of touch-screen gesture designs in mobile environments
Direct-touch interaction on mobile phones revolves around screens that compete for visual attention with users‟ realworld tasks and activities. This paper investigates the impac...
Andrew Bragdon, Eugene Nelson, Yang Li, Ken Hinckl...
CHI
2011
ACM
14 years 1 months ago
How a freeform spatial interface supports simple problem solving tasks
We developed DataBoard, a freeform spatial interface, to support users in simple problem solving tasks. To develop a deeper understanding of the role of space and the tradeoffs be...
Eser Kandogan, Juho Kim, Thomas P. Moran, Pablo Pe...
CHI
2011
ACM
14 years 1 months ago
Bricolage: example-based retargeting for web design
The Web provides a corpus of design examples unparalleled in human history. However, leveraging existing designs to produce new pages is often difficult. This paper introduces th...
Ranjitha Kumar, Jerry O. Talton, Salman Ahmad, Sco...
CHI
2011
ACM
14 years 1 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