Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

S. Nestler, E. Artinger, T. Coskun, Y. Yildirim-Krannig, S. Schumann, M. Maehler, F. Wucholt, S. Strohschneider, G. Klinker
Assessing Qualitative Usability in life-threatening, time-critical and unstable Situations
GMS Medizinische Informatik, Biometrie und Epidemiologie 2011, Vol. 7(1), ISSN 1860-9171 (bib)

We developed a heuristic for assessing the usability of user-interfaces in lifethreating, time-critical and unstable situations in a qualitative way. The major advantages of our approach as opposed to standardized quantitative questionnaires is the independence from a baseline, the possibility to make absolute statements and the potential for adaptations. When creating a qualitative semi structured interview we adhere to the common modus operandi of the qualitative social research. On the basis of 17 common quantitative questionnaires on usability we defined the five major categories Utility, Intuitiveness, Memorability, Lernability and Personal Effect. We selected all questions from the questionnaires which are useful for assessing the usability of user-interfaces in emergencies. Furthermore we rephrased the closed-ended questions to open-ended ones. The quantification of research results is possible by weighting the qualitative results in dependence to the research question.
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