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- KonferenzbeitragEmergency Messenger als Kommunikationskonzept für Notfallarbeit/ EmergencyMessenger as a Communication Concept for Emergency Response Work(i-com: Vol. 13, No. 1, 2014) Betz, Matthias; Dyrks, Tobias; Wulf, VolkerFinding and rescuing missing or injured people or fighting fire inside burning buildings is a central challenge for fire brigades. To ensure the safety of indoors attacking firefighting units monitoring their operations is crucial. As in most countries firefighters in Germany utilize radio sets to establish voice communication between operating units and the superordinated leading structures. Based on findings from a long term ethnographic study in cooperation with different German fire brigades over a time span of more than 5 years we analyzed the advantages and disadvantages of the established voice over radio communication tactics and techniques. We designed and evaluated a complementary text based communication device the EmergencyMessenger to support the time critical work of indoor attacking troops working under harsh conditions with Self-Contained-Breathing-Apparatus (SCBA). We conducted 13 full scale training missions including extensive debriefings to design and evaluate the communication concept and the corresponding device.
- KonferenzbeitragEvaluation der Mensch-Computer-Interaktion in Krisenszenarien / Evaluating human-computer-interaction in crisis scenarios(i-com: Vol. 13, No. 1, 2014) Nestler, SimonThe various processes in crisis management are uncertain, unstable and time-critical. In crisis scenarios the support of emergency workers by the means of interactive systems is challenging. Even smaller blind spots in the human-computer- interaction (HCI) might cause the unusability of the overall crisis management system. Therefore, regular usability testing of the overall system by emergency workers is essential in crisis scenarios. In crisis management usability tests are the foundation for the successful introduction of interactive systems. Usability tests in crisis situations are highly complex: The usability tests have to be smoothly integrated in the crisis scenario. In crisis scenarios realism leads to an overproportional need for resources. This publication gives an overview on concepts for usability testing in crisis scenarios. These usability tests facilitate an iterative improvement of interactive systems. This concept is not limited to a methodical examination of the usability test itself. Usability testing is considered from HCI perspective and from the perspective of crisis management. This combined analysis leads to a more systematic approach to usability testing in crisis situations. The proposed approach increases the frequency of usability tests without increasing the overall effort.