User interface evaluation in the real world: a comparison of four techniques
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Finding usability problems through heuristic evaluation
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
What is gained and lost when using evaluation methods other than empirical testing
HCI'92 Proceedings of the conference on People and computers VII
Effects of screen presentation on text reading and revising
International Journal of Human-Computer Studies
Eye tracking the visual search of click-down menus
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Facilitating navigation in information spaces: road-signs on the World Wide Web
International Journal of Human-Computer Studies
Web Site Usability: A Designer's Guide
Web Site Usability: A Designer's Guide
Web Pages That Suck: Learn Good Design by Looking at Bad Design
Web Pages That Suck: Learn Good Design by Looking at Bad Design
Web Redesign: Workflow That Works
Web Redesign: Workflow That Works
E-Commerce User Experience
Evaluation of Hypermedia Educational Systems: Criteria and Imperfect Measures
ICCE '02 Proceedings of the International Conference on Computers in Education
Dimensional hierarchy of retail website quality
Information and Management
The obstacles and myths of usability and software engineering
Communications of the ACM - The Blogosphere
Prioritizing Web Usability
User Expectations and Rankings of Quality Factors in Different Web Site Domains
International Journal of Electronic Commerce
Introducing item response theory for measuring usability inspection processes
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Multidimensional Item Response Theory
Multidimensional Item Response Theory
An analytic hierarchy process model for evaluating and comparing website usability
International Journal of Business Information Systems
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Usability is considered a critical issue on the web that determines either the success or the failure of a company. Thus, the evaluation of usability has gained substantial attention. However, most current tools for usability evaluation have some limitations, such as excessive generality and a lack of reliability and validity. The present work proposes the construction of a tool to measure usability in e-commerce websites using item response theory (IRT). While usability issues have only been considered in theoretical or empirical contexts, in this study, we discuss them from a mathematical point of view using IRT. In particular, we develop a standardised scale to measure usability in e-commerce websites. This study opens a new field of research in the ergonomics of interfaces with respect to the development of scales using IRT.