The increasing use of interactive systems by users with different levels of knowledge and needs have lead designers to be more concerned not only about the quality of their products but also how their interfaces fulfill ...

Assess the interface quality of an interactive system is an important task during the software development process. However, since different evaluation methods have been proposed, it becomes increasingly necessary to ...

Collaborative systems are increasingly popular, however, their evaluation remains a complex task. Its complexity is increased by the difficulty to define what to evaluate, and consequently which method would be best suited ...

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Wikipedia has drawn much attention from scientists because of its bold proposal to create an open, collaborative encyclopedia, and even more for being so popular. Since the creation of Wikipedia in 2001 by Jimbo Wales and ...

Emotion is an important factor in Human-Computer Interaction (HCI) that influences users’ behavior and satisfaction. Empirical methods, i.e., when users are directly involved, are often applied to assess emotional responses ...

The CAPES Portal of E-Journals is highly relevant for higher education and for Brazilian science as it provides access to important sources of scientific information. Since it was launched, it has under gone several changes ...

Sharing economy is a new kind of economy that is reaching an increasing number of people around the world. This concept is based on four main characteristics: (1) significant supply of spare resources from some individuals, ...

In digital games, sound and music play an important role in players game experience, as they are usually used to convey important information and also to contribute to game atmosphere. Losing the reception of that stimulus ...