A Coordinated Multi-channel Information Presentation Framework for Data Exploration
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As the information age changes the world around us, humans are interacting with ever-increasing amounts of data. While it can be difficult to remember details from data, presenting it in a coordinated manner can aid in its retention and recall. In this work, we investigate whether placing a greater degree of emphasis on elements of coordination in a multi-channel presentation system aids in recall of information. The interface described in this paper presents three coordinated channels of information: a pair of interactive time-series graphs, a text narrative and its vocalization, and salient external search data. 36 subjects were asked to use the interface to explore stock market data in one of two groups. For subjects in the increased-emphasis group, the interface color-coordinates related data across visual elements to emphasize the coordination between channels of information. Subjects in the control group received the same interface with no color coordination. It was hypothesized that increasing emphasis on coordination would produce a positive effect on recall of information from the interface. Subjects in the increased-emphasis group exhibited significantly greater accuracy than the control group when attempting to recall dates, but only for graph patterns presented with more detailed descriptions. However, subjects in both groups exhibited significantly worse accuracy when attempting to recall graph patterns that were presented with more detailed descriptions than those presented with simpler ones. Thus, increasing emphasis on coordination only helped accuracy of recall for dates, and only when the patterns associated with those dates were more difficult to recall to begin with.
KeywordsData visualization Information presentation Multimodal interaction
This work is partially sponsored by the Cognitive and Immersive Systems Lab, a research collaboration between IBM and Rensselaer Polytechnic Institute. We would like to thank our lab mates, IBM research collaborators, undergraduate researchers, faculty, staff, and Matthew Peveler in particular for their support and assistance.
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