In a relatively short space of time, classrooms have become full of computers, gadgets and electronic devices. Technology will only continue to become more sophisticated, more efficient and more abundant in schools. But how desirable is this technological revolution and to what extent should it develop? To measure the effectiveness and popularity…

States that constructive thinking about variables seems to be a key to accelerated learning in science and that computer modeling can enable this. A taped sequence of a group in the exploratory use of a model reveals the potential of such activity. (Author/ASK)

Described is a computer program that, by means of a simple motor task, provides a context that enables students to learn about motor coordination. The effects of alcohol, drugs, or solvents on the motor task can be investigated using a delay in the feedback loop. A description of the hardware and software is included. (KR)