In this paper, we consider theories about processes of visual perception and perception-based knowledge representation (VPR) in order to explain difficulties encountered in figural processing in junior high school geometry tasks. In order to analyze such difficulties, we take advantage of the following perspectives of VPR: (1) Perceptual…

While different approaches to evaluation will yield different results, depending on the purpose of the evaluation this article describes an evaluation approach that was aimed at investigation of the mental models of users of the programme. The study was driven by questions about the differences in mental models of the instructional designers and…

Effective classroom simulations can provide opportunities for end-users to analyze human teaching and learning behaviors and can also help prepare teachers for real-world experiences. This paper proposes a simulation project based on an aggregation of ideas associated with knowledge-based simulations, behavior observations, visualization, and the…