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Evaluating Information Visualizations : Issues and Opportunities

The evaluation of information visualization techniques and systems is important in order to understand how to improve the systems and create innovative, useful new techniques. This article describes some of the challenges and issues in information visualization evaluation, and it discusses potential opportunities to improve the process. By better identifying the tasks people perform using information visualization tools as well as the insights gained therein, one can conduct more rigorous and comprehensive assessments of the tools.