Describes the design principles of computer-assisted learning (CAL) environments in which the software is interactive yet adaptable to different styles of learning and teaching, illustrated with a mathematics application. Following implementation, initial evaluation data taken from students showed marked performance improvements, and indicated how…

Describes a spreadsheet system that enables students, teachers, and curriculum developers to use Microsoft EXCEL's database and graphics capabilities in the science classroom. System design goals are explained, examples of system applications are given, and possible future developments are discussed. (15 references) (LRW)

Discusses the nature and function of mental models, explains tools for exploratory and expressive learning, and describes a research program to be conducted in the United Kingdom for 10- to 16-year-olds that is designed to explore characteristics of students' mental models. Highlights include knowledge domains; software, including simulations; and…

Presents a study of multimedia technology used for teaching mathematics. Discussion includes tentative conclusions about the merits of different styles of multimedia; three of the most popular multimedia modules and their use; and features that seem to distinguish multimedia and computer-based lessons. (10 references) (KRN)

Considers the impact of information technology (IT) on children's learning in schools with particular reference to two studies that examined the value of using IT. Discussion includes the difficulties of evaluating IT effectiveness and some explanations for the insignificant impact of IT in the studies. (13 references) (KRN)

Describes activities of the Educational Technology Center at Harvard University, which focus on the use of computers and other technology to improve K-12 instruction in science, mathematics, and computing. Topics discussed include curriculum development; students' prior conceptions; the construction of scientific knowledge; the use of software;…