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—Thinking-aloud protocols may be the most widely used method in usability testing, but the descriptions of this practice in the usability literature and the work habits of practitioners do not conform to the theoretical basis most often cited for it: Ericsson and Simon's seminal work PROTOCOL ANALYSIS: VERBAL REPORTS AS DATA [1]. After reviewing Ericsson(More)
Retrospective Think aloud (RTA) is a usability method that collects the verbalization of a user's performance after the performance is over. There has been little work done to investigate the validity and reliability of RTA. This paper reports on an experiment investigating these issues with a form of the method called stimulated RTA. By comparing subjects'(More)
The think aloud method is widely used in usability research to collect user's reports of the experience of interacting with a design so that usability evaluators can find the underlying usability problems. However, concerns remain about the validity and usefulness of think aloud in usability studies. In this panel we will present current studies of the(More)
PURPOSE Despite years of effort and millions of dollars spent to create unified electronic communicable disease reporting systems, the goal remains elusive. A major barrier has been a lack of understanding by system designers of communicable disease (CD) work and the public health workers who perform this work. This study reports on the application of(More)
Program Authorized to OOer Degree Date In presenting this thesis in partial fullllment of the requirements for a Master's degree at the University o f W ashington, I agree that the Library shall make its copies freely available for inspection. I further agree that extensive copying of this thesis is allowable only for scholarly purposes, consistent with(More)
Mobile data services offer a viable and growing alternative means of accessing the World Wide Web and have drawn significant attention from the mobile industry. However, design efforts are hampered by the fact that we do not fully understand people's motivations, behaviors, and contexts of use when they access the Web on their phones in naturalistic(More)
Usability testing during product development has gained wide acceptance as a strategy for improving product quality. But it is difficult to find published studies that actually document the impact of usability test findings and recommendations on product design. This case study examines a usability test that was done during the development of a software(More)
The usability of information is vital to successful websites, products, and services. Managers and developers often recognize the role of information or content in overall product usability, but miss opportunities to improve information usability as part of the product-development effort. This meeting is an annual forum on human factors of information(More)