Communication Dans Un Congrès Année : 2025

We Need to Talk (more) About Numeracy! Toward a Numeracy-Informed Visualization Design Process

Résumé

Numeracy—the ability to understand and reason with numbers—is essential for interpreting and acting on quantitative information, yet it remains under-addressed in visualization research. In this position paper, we argue that numeracy should be a guiding principle in the design and evaluation of public-facing visualizations. Drawing on cognitive psychology and decision science, we propose a numeracy-informed design process: (1) measuring individual differences in numeracy, (2) designing visualizations that support gist and verbatim understanding, reduce cognitive effort, and provide evaluative meaning, and (3) evaluating quantitative comprehension across numeracy levels. Our goal is to spark a broader conversation about inclusive visualization practices that reflect numerical diversity and support public understanding of quantitative information.

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hal-05241509 , version 1 (05-09-2025)

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Katerina Batziakoudi, Christophe Bortolaso, Jean-Daniel Fekete. We Need to Talk (more) About Numeracy! Toward a Numeracy-Informed Visualization Design Process. VisComm 2025 - 7th Workshop on Visualization for Communication, IEEE VIS Conference, Nov 2025, Vienna, Austria. ⟨10.1109/VisComm69388.2025.00007⟩. ⟨hal-05241509⟩
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