Usability and transferability of a visualization methodology for medical data

Authors:
Margit Pohl;Markus Rester;Sylvia Wiltner
Affiliations:
Vienna University of Technology, Institute of Design & Assessment of Technology, Vienna, Austria;Vienna University of Technology, Institute of Design & Assessment of Technology, Vienna, Austria;Vienna University of Technology, Institute of Design & Assessment of Technology, Vienna, Austria
Venue:
USAB'07 Proceedings of the 3rd Human-computer interaction and usability engineering of the Austrian computer society conference on HCI and usability for medicine and health care
Year:
2007

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Abstract

Information Visualization (InfoVis) techniques can offer a valuable contribution for the examination of medical data. We successfully developed an InfoVis application - Gravi - for the analysis of questionnaire data stemming from the therapy of anorectic young women. During the development process, we carefully evaluated Gravi in several stages. In this paper, we describe selected results from the usability evaluation, especially results from qualitative studies. The results indicate that Gravi is easy to use and intuitive. The subjects of the two studies described here especially liked the presentation of time-oriented data and the interactivity of the system. In the second study, we also found indication that Gravi can be used in other areas than the one it was developed for.