Graphical encoding for information visualization: an empirical study
Nowell, L.; Schulman, R.; Hix, D.
Information Visualization, 2002. INFOVIS 2002. IEEE Symposium on
Volume , Issue , 2002 Page(s): 43 - 50
Digital Object Identifier   10.1109/INFVIS.2002.1173146
Summary: Research in several areas provides scientific guidance for use of graphical encoding to convey information in an information visualization display. By graphical encoding we mean the use of visual display elements such as icon color, shape, size, or position to convey information about objects represented by the icons. Literature offers inconclusive and often conflicting viewpoints, including the suggestion that the effectiveness of a graphical encoding depends on the type of data represented. Our empirical study suggests that the nature of the users' perceptual task is more indicative of the effectiveness of a graphical encoding than the type of data represented.

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