Animated pedagogical agents that inhabit interactive learning environments can exhibit strikingly lifelike behaviors. In addition to providing problem-solving advice in response to students’… (More)
Story generation is experiencing a revival, despite disappointing preliminary results from the preceding three decades. One of the principle reasons for previous inadequacies was the low level of… (More)
Recent years have seen significant growth in work on interactive storytelling environments. A key challenge posed by these environments is narrative planning, in which a director agent orchestrates… (More)
A key promise of narrative-centered learning environments is the ability to make learning engaging. However, there is concern that learning and engagement may be at odds in these game-based learning… (More)
Evidence of the strong relationship between learning and emotion has fueled recent work in modeling affective states in intelligent tutoring systems. Many of these models are based on general models… (More)
Mixed-initiative problem solving lies at the heart of knowledge- based learning environments. While learners are actively engaged in problem-solving activities, learning environments should monitor… (More)
The link between affect and student learning has been the subject of increasing attention in recent years. Because of the possible impacts of affective state on learning, it is a goal of many… (More)
Goal recognition is the task of inferring users’ goals from sequences of observed actions. By enabling player-adaptive digital games to dynamically adjust their behavior in concert with players’… (More)
Affective reasoning plays an increasingly important role in cognitive accounts of social interaction. Humans continuously assess one another's situational context, modify their own affective state… (More)
Learning involves a rich array of cognitive and affective states. Recognizing and understanding these cognitive and affective dimensions of learning is key to designing informed interventions. Prior… (More)