Usability Engineering
The semiotic inspection method
IHC '06 Proceedings of VII Brazilian symposium on Human factors in computing systems
Evaluating the Usability of Transactional Web Sites
ACHI '10 Proceedings of the 2010 Third International Conference on Advances in Computer-Human Interactions
Semiotic Engineering Methods for Scientific Research in HCI
Semiotic Engineering Methods for Scientific Research in HCI
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Today the amount of web applications has grown exponentially and the number of both novice and experienced users decided to experiment with these applications has increased. However, there has been a large increase in problems when the user interacts with those applications. Therefore, a study was made in order to ensure the quality of web applications. To achieve this, a usability methodology for transactional web applications was applied first, where a considerable number of problems identified by Nielsen principles were found and we applied the communicability methods SIM (Semiotic Inspection Method) and CEM (Communicability Assessment Method). During this research a web app was tested, we found out that there is an association with usability problems, where the 72% of these problems are about communicability, which turn to be the most serious problems. This shows how difficult is for the designer to interact with the user and vice versa.