Software system testing and quality assurance
Software system testing and quality assurance
Formal methods in human-computer interaction
Formal methods in human-computer interaction
Usability testing vs. heuristic evaluation: was there a contest?
ACM SIGCHI Bulletin
Extending Fitts' law to two-dimensional tasks
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The Unified Modeling Language user guide
The Unified Modeling Language user guide
The unified software development process
The unified software development process
Measuring usability: are effectiveness, efficiency, and satisfaction really correlated?
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Applying use cases (2nd ed.): a practical guide
Applying use cases (2nd ed.): a practical guide
Effective Methodology for the Study of HCI
Effective Methodology for the Study of HCI
Formal Description Technique Lotos: Results of the Esprit Sedos Project
Formal Description Technique Lotos: Results of the Esprit Sedos Project
The Psychology of Human-Computer Interaction
The Psychology of Human-Computer Interaction
Refining Fitts' law models for bivariate pointing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Usability measurement and metrics: A consolidated model
Software Quality Control
The treatment of navigation in web engineering
Advances in Engineering Software
Fitts' law as a research and design tool in human-computer interaction
Human-Computer Interaction
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Many usability approaches have been devised to enable software developers to evaluate and improve user interfaces. Techniques have been focused on design recommendations not always supported by empirical evidences. However, in different environments based on Internet/web browser access, software applications are the support for repetitive tasks (in many cases supporting industrial or engineering processes, e.g. hosted in Intranets) where operation time and learning curve are important items to be controlled. In this paper, a new method for measuring required operation time as basis for improving interaction and interface design is presented. The basis of the method has been inspired on the adaptation of the well-known MTM method for time measurement and task analysis in industrial environments. Empirical evidences support the relationship between the proposed measure and the time required for operations by software users.