Stella, a simulation construction kit: cognitive process and educational implications
Journal of Computers in Mathematics and Science Teaching
A review of computer-based model research in precollege science classrooms
Journal of Computers in Mathematics and Science Teaching
An iterative design methodology for user-friendly natural language office information applications
ACM Transactions on Information Systems (TOIS)
Coaching Web-based Collaborative Learning based on Problem Solution Differences and Participation
International Journal of Artificial Intelligence in Education
Measuring inquiry: new methods, promises & challenges
ICLS '10 Proceedings of the 9th International Conference of the Learning Sciences - Volume 2
Journal of Network and Computer Applications
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Modeling offers a promising form of constructivist learning for students. By making and executing models of dynamic systems in a computer environment, students are stimulated to learn about the specific domain that is modeled as well as about the process of modeling in general. However, learning by modeling also leads to characteristic student mistakes, based on a combination of faulty domain knowledge and insufficient modeling skills. In this article, we describe a method of generating advice to students during their modeling process. The on-line advice system was informed by our observations of a teacher who gave advice via a textual communication tool to students building models with a System Dynamics model editor. The first version of the on-line advice system was evaluated in two ways: first, three teachers evaluated the advice the system generated for students' final solutions; second, we analyzed the advice the system provided as it was used by a sample of students who were building a physics model. These evaluations showed that the overall approach, including matching a student solution to a family of reference solutions together with the other mechanisms of the advice system, is valid. However, they also highlighted the difficulty of building 'intelligent' support to help students to improve their models and gain modeling expertise. The article concludes with a discussion of our current efforts to improve the advice system based on the lessons learnt, which suggest extension of the range of solution representations and of the operations of the advice method.