Describes two studies conducted in The Netherlands that compared two modes of off-air videotape use of educational television programs on mental arithmetic for elementary students. Active use of the videotapes with interruptions for interactive teaching are compared with passive, uninterrupted viewing, and implications for the design of…

Describes research with Dutch secondary school students that studied the effects of the presentation of more general (superordinate) concepts on the attainment of basic concepts, and the effects of two different forms of example presentation on concept learning. Computer based instruction and interactive video used in the study are described. (18…