Alvitta Ottley

alvitta {at} wustl.edu

Modeling

User Modeling

We use click stream data to predict high-level user attributes such as individual characteristics (e.g. personality traits and cognitive abilities), goals and strategies.

Proact

Health Risk Communication

We explore the benefits of using visualizations for comminicating complex health statistics to patients.

Eyetracking

Eye-Tracking

We leverage eye-tracking technology for visualization evaluation, comparison and design.

WordsandImages

Words and Visaulizations

We explore the benefits and tradeoffs of the two representations to provide a careful articulation of if, when, and how text should be added to visualizations.

Sensing

Intelligent Visual Analytics

We leverage interaction data to predict a user's intentions and proactively provide support to the user's analysis.

Personality

Personality and Visualizations

We identify the key personality traits that impact speed, accuracy, and strategy on visualization tasks.