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J Biomed Inform. 2005 Feb;38(1):75-87.

A user-centered framework for redesigning health care interfaces.

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Department of Biostatistics and Applied Mathematics, The University of Texas, M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, 447, Houston, TX 77030, USA.


Numerous health care systems are designed without consideration of user-centered design guidelines. Consequently, systems are created ad hoc, users are dissatisfied and often systems are abandoned. This is not only a waste of human resources, but economic resources as well. In order to salvage such systems, we have combined different methods from the area of computer science, cognitive science, psychology, and human-computer interaction to formulate a framework for guiding the redesign process. The paper provides a review of the different methods involved in this process and presents a life cycle of our redesign approach. Following the description of the methods, we present a case study, which shows a successfully applied example of the use of this framework. A comparison between the original and redesigned interfaces showed improvements in system usefulness, information quality, and interface quality.

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