When teachers or instructors create computer-based learning environments, they often solely consider technical aspects of interactivity. As a consequence, learners' main role is to respond to requests of the learning environment (e.g. by answering multiple-choice questions). This aspect of interactivity is, however, not sufficient to understand…

The universities and faculties which educate teachers of mathematics for teaching pupils/students of any age group from pre-school age to higher education carefully monitor and compare valuable results of this research, detect the areas in which the mathematical achievements of pupils should be improved at the national level and propose the ways…

Discusses xyZET, a simulation program that allows 3D-space in numerous experiments in basic mechanics and electricity and was developed to support physics teaching. Tests course material for 11th grade at German high schools under classroom conditions and reports on their stability and effectiveness. (Contains 15 references.) (Author/YDS)