Summarizes three research studies on text and screen density variables in a computer based instruction (CBI) lesson. The first two studies investigated the effectiveness of low density text on lessons taught in print and CBI modes; the third study examined learner preferences for different screen densities. (43 references) (Author/LRW)

Describes study that compared the attainment gains of Guyanan secondary school children in science and geography following two different learning regimes, i.e., systematically designed learning materials, and conventional teaching. Implications of the results for curriculum design and teacher training are discussed. (Author/LRW)

Describes a formative evaluation of English for Life and Work, a multimedia package for teaching linguistic and cultural information to English-as-a-second-language adult learners, to compare the efficacy of interactive videodisc with linear presentation, and determine participants' self-reported attitude and behavioral changes. The program's…