Refining the test phase of usability evaluation: how many subjects is enough?
Human Factors - Special issue: measurement in human factors
A mathematical model of the finding of usability problems
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Usability Engineering
A Practical Guide to Usability Testing
A Practical Guide to Usability Testing
Applying Discount Usability Engineering
IEEE Software
WETICE '00 Proceedings of the 9th IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises
Finding a Place for Discount Usability Engineering in Agile Development: Throwing Down the Gauntlet
ADC '03 Proceedings of the Conference on Agile Development
Instant data analysis: conducting usability evaluations in a day
Proceedings of the third Nordic conference on Human-computer interaction
Usability engineering methods for software developers
Communications of the ACM - Interaction design and children
User sketches: a quick, inexpensive, and effective way to elicit more reflective user feedback
Proceedings of the 4th Nordic conference on Human-computer interaction: changing roles
Research-Based Web Design & Usability Guidelines
Research-Based Web Design & Usability Guidelines
Journal of Biomedical Informatics
From expert-driven to user-oriented communication of infection control guidelines
International Journal of Human-Computer Studies
Advanced Methods for Conducting Online Behavioral Research
Advanced Methods for Conducting Online Behavioral Research
USAB'11 Proceedings of the 7th conference on Workgroup Human-Computer Interaction and Usability Engineering of the Austrian Computer Society: information Quality in e-Health
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The philosophy of discount usability engineering perfectly fits the health care setting, where cost-cutting is ubiquitously present. We adapted Nielsen's discount usability approach for the health care setting by combining traditional thinking aloud (n=18) and Card Sorting (n=18) with online prototyping (n=5) and simplified thinking aloud (n=5). We used the approach to design an efficient and effective website with infection control guidelines for nursing home staff leading to high levels of satisfaction within a time frame of three months for the total cost of €7195. Based on our experiences, we would advocate using this discount user-centered approach for the design of e-health applications. Future research should concentrate on integrating the principles of creative co-design methods and online research into the discount usability approach.