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Lessons from Evaluating Ubiquitous Applications in Support of Hospital Work
Abstract
The evaluation of ubiquitous computing (Ubicomp) applications presents a number of challenges ranging from the optimal recreation of the contextual conditions where technologies will be implemented, to the definition of tasks which often go well beyond the model of human-computer interaction that people are used to interact with. Many contexts, such as hospitals and healthcare which are frequently explored for the deployment of Ubicomp raise additional challenges as a result of the nature of the work where human life can be in risk, privacy of personal records is paramount, and labor is highly distributed across space and time. For the last six years the authors have been creating and pilot-testing numerous Ubicomp applications in support of hospital work and healthcare (Ubihealth). In this chapter, they discuss the lessons learned from evaluating these applications and organize them as a frame of techniques that assists researchers in selecting the proper method and type of evaluation to be conducted. Based on that frame the authors discuss a set of principles that designers must consider during evaluation. These principles include maintaining consistency of the activities and techniques used during the evaluation, give proper credit of individual benefits, promote replication of the environment, balance constraints and consider the level of pervasiveness and complexity.
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