Jeanette Bautista

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In previous work, we proposed ValueCharts, a set of visualizations and interactive techniques to support the <i>inspection</i> of linear models of preferences. We now identify the need to consider the decision process in its entirety, and to redesign ValueCharts in order to support all phases of preferential choice. In this paper, we present our task-based(More)
Many critical decisions for individuals and organizations are often framed as preferential choices: the process of selecting the best option out of a set of alternatives. This paper presents a task-based empirical evaluation of ValueCharts, a set of interactive visualization techniques to support preferential choice. The design of our study is grounded in a(More)
Which is better? Sentential Sequential, like propositions in a text, Diagrammatic Indexed by location in a plane " Better " Informational equivalence All information in one is also inferable from the other, and vice versa Computational equivalence informationally equivalent plus any inference in one is just as easy and fast as the same inference in the(More)
Problem • There are many variables to consider when choosing a school • Everyone assigns weights these variables differently Solution • Visualization that allows users to select ranges for variables to reduce the number of schools • Interactive tool to allow users to weight variables differently and explore how this changes the rankings of schools Data set(More)
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