Reports on a study into the effectiveness of implementing an interactive videodisc science lesson on titration into a high school science program. Describes the titration lesson and the equipment used in two chemistry classes. Results were generated from achievement and attitude instruments, along with observational data. (TW)

Discusses instruction that occurs at a point distant from the location of the learner(s) with an interactive video and/or visual component. Stresses the need for developing such instructional capabilities for schools, businesses, and industries. Describes audio-graphic teleconferencing, microwave transmission, instructional television fixed…

Discusses the use of laserdiscs and interactive video technology in an earth science classroom. Delineates the basic equipment needed for a laserdisc workstation, along with a software authoring system. Describes the development and use of a software program called Mission Earth, which contains four lessons on astronomoy. (TW)