Objective: This article presents a systematic framework characterizing adaptive systems.
Background: Adaptive systems are those that can appropriately modify their behavior to fit …

Pedagogical agent research seeks to exploit Reeves and Nass's media equation theory,
which holds that users respond to interactive media as if they were social actors …

Pedagogical theory of today gives high priority to social components of learning. Within the
field of computer supported learning there are many attempts to acknowledge this. One …

Many software systems would significantly improve performance if they could adapt to the
emotional state of the user, for example if Intelligent Tutoring Systems (ITSs), ATM's, ticketing …

Until now, research on arrangement of verbal and non-verbal information in multimedia
presentations has not considered multimodal behavior of animated agents. In this paper, we …

Introduction................................... 246Approaches to Design.......................... 247Cognitive Task
Analyses and CognitiveWalkthroughs.................................. 247Work-Domain …

This article presents an investigation on the educational value of virtual worlds intended for
the acquisition of procedural knowledge. This investigation takes as a case of study a virtual …

We studied the role of the competence of a user interface agent/assistant that helped users
to learn and use a new text editor. Participants in the study made a set of prescribed …

Free-form Game-Design (GD) environments show promise in fostering Computational
Thinking (CT) skills at a young age. However, such environments can be challenging to …

Apesar da grande oferta de ambientes virtuais de ensino e aprendizagem no mercado,
problemas de desmotivação e sentimento de isolamento por parte dos estudantes …