The choice of what to include in educational software is an issue with which instructional designers are regularly concerned. Multimedia capacity, standard on today's desktop computers, gives designers the opportunity to provide learners a more exciting learning experience than simply looking, clicking, and then looking some more. One feature that…

We report the results of a controlled evaluation of an interactive on-line tutoring system for high school math achievement test problem solving. High school students (N = 202) completed a math pre-test and were then assigned by teachers to receive interactive on-line multimedia tutoring or their regular classroom instruction. The on-line tutored…

This paper summarizes the activities of the Darmstadt University Department of Computer Integrated Design (Germany) related to: (1) distributed lectures (i.e., lectures distributed online through computer networks), including equipment used and ensuring sound and video quality; (2) lectures on demand, including providing access through the World…