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Design and Evaluation of the CHILI System
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Mathematics and Computer Science, Department of Information Technology, Human-Computer Interaction. Människa-datorinteraktion.
2004 (English)Report (Other (popular scientific, debate etc.))
Abstract [en]

The CHILI system is a general-purpose radiology workstation with teleradiology and telecardiology functions. The design of the CHILI user interface is made with the purpose to achieve high usability. Usability is treated as part of the product develop-ment process instead of being a separate activity. A number of design principles rationale – guided the design of the user interface. The minimalism of the system comes from the approach to focus primarily on work tasks instead of functionality. This is accomplished by displaying as much information as possible in one single window. No functions are out of sight in menus or additional dialogue windows. An evaluation using questionnaires was performed to assess the usability of the system. The questionnaires include a validated usability measure (the System Usability Scale) to give a global assessment of system usability. Five experienced users were interviewed individually to complement the ques-tionnaire data. The design approach used in the CHILI system was found to be working, both from an experienced and new user’s perspective. The strong sides of the system are the ease of use, the minimalism of the design, and the way the system is adapted to the working environment. Areas where it is possible to improve are the on-line help system, questions regarding available functionality, and user training. Continuous redesign and development has helped increase usability.

Place, publisher, year, edition, pages
2004. , 33 p.
Series
Technical Report series from the Department of Information Technology, ISSN 1404-3203 ; 2004-056
Keyword [en]
Usability, Telemedicine, Teleradiology, Human-Computer Interaction, User Interface, Design, Evaluation, Rationale, Questionnaire, SUS
Identifiers
URN: urn:nbn:se:uu:diva-69416OAI: oai:DiVA.org:uu-69416DiVA: diva2:97327
Available from: 2006-11-24 Created: 2006-11-24

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Borälv, Erik

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