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Conference Paper (published)

Evaluation of the comprehensiveness of bar charts with and without stacking functionality using eye-tracking

Details

Citation

B?schen F, Strobel B, Goos S, Liebers C, Rathje B & Scherp A (2017) Evaluation of the comprehensiveness of bar charts with and without stacking functionality using eye-tracking. In: Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval (CHIIR '17). Conference on Conference Human Information Interaction and Retrieval 2017, Oslo, Norway, 07.03.2017-11.03.2017. New York: ACM, pp. 337-340. https://doi.org/10.1145/3020165.3022147

Abstract
Bar charts are widely used to visualise core results of experiments in research papers or display statistics in news, media, and other reports. However, visualisations like bar charts are mostly manually designed, static presentations of data without the option of adaption to a user's needs. But so far, it is unknown whether interactivity improves the understanding of charts. In this work, we compare static with dynamic bar charts, which offer an interactive stacking option. We assess the efficiency, effectiveness, and satisfaction when answering questions regarding the content of a bar chart. An eye-tracker is used to measure the efficiency. We have conducted a between group experiment with 38 participants. While one group had to solve the aggregation tasks using stackable, i.e., interactive bar charts, the other group was limited to static visualisations. Even though new interactive features require familiarisation, we found that the stacking feature significantly helps completing the tasks with respect to efficiency, effectiveness, and satisfaction for bar charts of varying complexity.

Keywords
Interactive bar charts; stacking; user study; eye-tracking;

Journal
CHIIR 2017 - Proceedings of the 2017 Conference Human Information Interaction and Retrieval

StatusPublished
Publication date31/12/2017
URL
PublisherACM
Place of publicationNew York
ISBN9781450346771
ConferenceConference on Conference Human Information Interaction and Retrieval 2017
Conference locationOslo, Norway
Dates