3D fixations in real and virtual scenarios
In: Journal of Eye Movement Research, Jg. 1 H. 5 (Special issue: Abstracts of the ECEM 2007), S. 13 ff.2007
Affective computing with primary and secondary emotions in a virtual human
In: Autonomous Agents and Multi-Agent Systems, Jg. 20 H. 1, S. 32-492010Alignment in Communication - Collaborative Research Center 673 at Bielefeld University
In: KI - Künstliche Intelligenz, Jg. 2008 H. 2, S. 62-652008Assessing fifth grade children's rational number knowledge in a non-verbal application context: the darts game
In: Recherches en didactique des mathématiques, Jg. 7 H. 3, S. 51-741986Collaborative Research Centre "Situated Artificial Communicators" at the University of Bielefeld, Germany
In: Artificial Intelligence Review, Jg. 10 H. 3-4, S. 165-1701996Connecting question answering and conversational agents: Contextualizing German questions for interactive question answering systems
In: KI - Künstliche Intelligenz, Jg. 26 H. 4, S. 381-3902012Construct a sum: a measure of children's understanding of fraction size
In: Journal for research in mathematics education, Jg. 16 H. 2, S. 120-1311985Dynamic conceptualization in a mechanical-object assembly environment
In: Artificial Intelligence Review, Jg. 10 H. 3-4, S. 345-3681996Embodied communication in humans and machines - A research agenda
In: Artificial Intelligence Review, Jg. 24 H. 3-4, S. 517-5222005Evaluation of binocular eye trackers and algorithms for 3D gaze interaction in virtual reality environments
In: JVRB - Journal of Virtual Reality and Broadcasting, Jg. 5 H. 16, S. 1660 ff.2008Generation and evaluation of communicative robot gesture
In: International Journal of Social Robotics, Special Issue on Expectations, Intentions, and Actions, Jg. 4 H. 2, S. 201-2172012Identifying fractions on number lines
In: Journal for research in mathematics education, Jg. 19 H. 3, S. 215-2321988Order and equivalence of rational numbers: a cognitive analysis
In: Journal for research in mathematics education, Jg. 16 H. 1, S. 18-361985Order and equivalence of rational numbers: a clinical teaching experiment
In: Journal for research in mathematics education, Jg. 15 H. 5, S. 323-3411984Rational number learning aids: transfer from continuous models to discrete models
In: Focus on learning problems in mathematics, Jg. 10 H. 4, S. 1-181988Research problems in mathematics education - III
In: For the learning of mathematics, Jg. 4 H. 3, S. 22-231984