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CHI
2011
ACM
12 years 11 months ago
Modeling and predicting pointing errors in two dimensions
Recently, Wobbrock et al. (2008) derived a predictive model of pointing accuracy to complement Fitts’ law’s predictive model of pointing speed. However, their model was based ...
Jacob O. Wobbrock, Alex Jansen, Kristen Shinohara
CHI
2011
ACM
12 years 11 months ago
Side effects and "gateway" tools: advocating a broader look at evaluating persuasive systems
This paper argues for evaluating the impact of persuasive systems on users beyond metrics that focus on system usage, based on an interview study of 16 Wii Fit users. While explor...
Victoria Schwanda, Steven Ibara, Lindsay Reynolds,...
CHI
2009
ACM
14 years 8 months ago
Why and why not explanations improve the intelligibility of context-aware intelligent systems
Context-aware intelligent systems employ implicit inputs, and make decisions based on complex rules and machine learning models that are rarely clear to users. Such lack of system...
Brian Y. Lim, Anind K. Dey, Daniel Avrahami
CHI
2009
ACM
14 years 8 months ago
Sizing the horizon: the effects of chart size and layering on the graphical perception of time series visualizations
We investigate techniques for visualizing time series data and evaluate their effect in value comparison tasks. We compare line charts with horizon graphs--a space-efficient time ...
Jeffrey Heer, Nicholas Kong, Maneesh Agrawala
CHI
2009
ACM
14 years 8 months ago
Exploring awareness needs and information display preferences between coworkers
1 Technology makes it possible to share many different types of information with coworkers. We conducted a large-scale survey (N=549) to better understand current sharing among co...
A. J. Bernheim Brush, Brian Meyers, James Scott, G...