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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)
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)
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)
With the rapid diversification of computing technologies, user researchers often encounter new applications, new users and scenarios of use, and even new design processes that require new research approaches. (For instance, how do you assess the usability of a roving, multi-user, activity-based system? Or how do you assess a device intended to support a(More)