MAIDR: Making Statistical Visualizations Accessible with Multimodal Data Representation
arxiv(2024)
摘要
This paper investigates new data exploration experiences that enable blind
users to interact with statistical data visualizations-bar plots, heat maps,
box plots, and scatter plots-leveraging multimodal data representations. In
addition to sonification and textual descriptions that are commonly employed by
existing accessible visualizations, our MAIDR (multimodal access and
interactive data representation) system incorporates two additional modalities
(braille and review) that offer complementary benefits. It also provides blind
users with the autonomy and control to interactively access and understand data
visualizations. In a user study involving 11 blind participants, we found the
MAIDR system facilitated the accurate interpretation of statistical
visualizations. Participants exhibited a range of strategies in combining
multiple modalities, influenced by their past interactions and experiences with
data visualizations. This work accentuates the overlooked potential of
combining refreshable tactile representation with other modalities and elevates
the discussion on the importance of user autonomy when designing accessible
data visualizations.
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