Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

compared with other color schemes for the same design. Subjects were instructed to rate visualizations by their ease of use.

The prototype's warnings were not shown to have any meaningful effect on the rating for visualizations. However, the balance and visibility values generated for each visualization were shown to be good predictors of ease-of-use rating. This study also confirms that visibility is the most important factor in ease-of-use and that the overwhelming factor in visibility and balance is lightness contrast. ( Cooper and Kamei 1998)


Conclusions

The goal of this study was to examine some problems and issues of color balance support system development. We found that color balance is quantifiable and plays a role in ease-of-use but that canned sentences are too simple and vague for meaningful color support.

We also found that "ease-of-use" is a commonly perceived notion for visualizations and a legitimate direct evaluation for color placement surveys. The importance of this point is emphasized by the findings of previous researchers that color placement without regard for ease-of-use has been shown to be a major detriment to visualization performance.

Automation of color placement will probably be preceded by color support systems of all kinds. These systems will have to deal with a more difficult problem than deciding how to improve the design. They will have to communicate this to the user. This most difficult challenge is our next step in the development of color support systems.


References

Cooper, E. and Kamei, K. ( 1998). "Development of a Color Balance Support System", Proceedings of the 14th Symposium on Human Interface, pp. 705- 710.

Ashizawa and Ikeda ( 1981). "Size Effect in Color Conspicuity", Journal of the Color Science Association of Japan, Vol. 18 No. 3, pp. 200 - 204.

L. Silverstein ( 1987). "Human Factors for Color Display Systems: Concepts, Methods, and Research", Color and the Computer, Academic Press, Chapter 2, pp. 27-61.

E. R. Tufte ( 1990). Envisioning Information. Chap. 3, 5. Graphics Press, Connecticut..

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