A Guide to Visual Multi-Level Interface Design From Synthesis of Empirical Study Evidence

[LeeAndro]

English | PDF | 2010 | 117 Pages | ISBN : 1608455920 | 3.5 MB

Displaying multiple levels of data visually has been proposed to address the challenge of limited screen space.​

Although many previous empirical studies have addressed different aspects of this question, the information visualization research community does not currently have a clearly articulated consensus on how, when, or even if displaying data at multiple levels is effective.
To shed more light on this complex topic, we conducted a systematic review of 22 existing multi-level interface studies to extract high-level design guidelines. To facilitate discussion, we cast our analysis findings into a four-point decision tree: (1) When are multi-level displays useful (2) What should the higher visual levels display (3) Should the different visual levels be displayed simultaneously, or one at a (4) Should the visual levels be embedded in a single display, or separated into multiple displays Our analysis resulted in three design guidelines: (1) the number of levels in display and data should match; (2) high visual levels should only display task-relevant information; (3) simultaneous display, rather than temporal switching, is suitable for tasks with multi-level answers.



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