VLAT: Development of a Visualization Literacy Assessment Test
In this paper, we developed and evaluated a visualization literacy assessment test (VLAT). It provides validity of the VLAT and discusses implications of the work to measure …
VisExpress: Visual exploration of differential gene expression data
In this study, we conducted a design study with three biologists, which resulted in a visual analytics system called VisExpress for differential gene expression analysis.
Sampling for Scalable Visual Analytics
Sampling is becoming an essential tool for scalable interactive visual analysis. After outlining prior work by the database community on sampling for visualization of aggregation …
AxiSketcher: Interactive Nonlinear Axis Mapping of Visualizations through User Drawings
In this paper, we introduce a novel visual analytics technique, called AxiSketcher, that transforms user's drawing into nonlinear axes for 2D scatterplot. User can further edit the …
Personas in Online Health Communities
In this study, we propose four personas.
VisOHC: Designing Visual Analytics for Online Health Communities
In this study, we propose a visual analytics system called VisOHC, which allows users to explore online conversation between members of health communities. It also provides a …
The Role of Uncertainty, Awareness, and Trust in Visual Analytics
This paper unpacks the uncertainties that propagate through visual analytics systems, illustrates how human's perceptual and cognitive biases influence the user's awareness of such …
Guidelines for Effective Usage of Text Highlighting Techniques
In this paper, we evaluate the effects of common text highlighting techniques on users' task performances through a series of crowdsourced user studies. We provide ranking of text …
Do People Really Experience Information Overload While Reading Online Reviews?
In this study, we conducted two crowdsourced studies to find the effects of the number of online product reviews and review valence on information overload.
What Are the Causes of Noncompliance Behaviors in Bar Code Medication Administration System Processes?
In this study, we surveyed literature to investigate why noncompliance behaviors occur with Bar Code Medication Administration (BCMA) systems. The results show five categories of …