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Journal Articles IEEE Transactions on Visualization and Computer Graphics Year : 2019

Visualizing Ranges over Time on Mobile Phones: A Task-Based Crowdsourced Evaluation

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Bongshin Lee
  • Function : Author
  • PersonId : 924363
Petra Isenberg
Eun Kyoung Choe
  • Function : Author
  • PersonId : 1005971

Abstract

In the first crowdsourced visualization experiment conducted exclusively on mobile phones, we compare approaches to visualizing ranges over time on small displays. People routinely consume such data via a mobile phone, from temperatures in weather forecasting apps to sleep and blood pressure readings in personal health apps. However, we lack guidance on how to effectively visualize ranges on small displays in the context of different value retrieval and comparison tasks, or with respect to different data characteristics such as periodicity, seasonality, or the cardinality of ranges. Central to our experiment is a comparison between two ways to lay out ranges: a more conventional linear layout strikes a balance between quantitative and chronological scale resolution, while a less conventional radial layout emphasizes the cyclicality of time and may prioritize discrimination between values at its periphery. With results from 87 crowd workers, we found that while participants completed tasks more quickly with linear layouts than with radial ones, there were few differences in terms of error rate between layout conditions. We also found that participants performed similarly with both layouts in tasks that involved comparing superimposed observed and average ranges.
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Dates and versions

hal-01857469 , version 1 (16-08-2018)

Identifiers

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Matthew Brehmer, Bongshin Lee, Petra Isenberg, Eun Kyoung Choe. Visualizing Ranges over Time on Mobile Phones: A Task-Based Crowdsourced Evaluation. IEEE Transactions on Visualization and Computer Graphics, 2019, 25 (1), pp.619-629. ⟨10.1109/TVCG.2018.2865234⟩. ⟨hal-01857469⟩
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