Methods for the Evaluation of an Interactive InfoVis Tool Supporting Exploratory Reasoning Processes

M. Rester, M. Pohl, K. Hinum, S. Miksch, C. Popow, S. Ohmann, S. Banovic:
"Methods for the Evaluation of an Interactive InfoVis Tool Supporting Exploratory Reasoning Processes";
Vortrag: Proceedings of the 2006 conference on BEyond time and errors: novel evaLuation methods for Information Visualization, Venice, Italy; 23.05.2006; in:"Proceedings of BELIV'06", E. Bertini, C. Plaisant, G. Santucci (Hrg.); ACM Press, (2006), ISBN: 1-59593-562-2; S. 32 - 37.

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Abstract:


Developing Information Visualization (InfoVis) techniques for complex knowledge domains makes it necessary to apply alternative methods of evaluation. In the evaluation of Gravi++ we used several methods and studied different user groups. We developed a reporting system yielding data about the insights the sub jects gained during the exploration. It provides complex information about subjects┬┤ reasoning processes. Log files are valuable for time-dependent analysis of cognitive strategies. Focus groups provide a different view on the process of gaining insights. We assume that our experiences with all these methods can also be applied in similar evaluation studies on InfoVis techniquesfor complex data.