Discussion of collaborative hypermedia instruction focuses on a study that compared the achievement of eighth-grade students working individually or in pairs on a hypermedia-based unit on computer ethics. Group composition (i.e., homogeneous versus heterogeneous pairs) and the impact of social context are investigated. (Contains 41 references.)…

Discusses results from a meta-analysis that synthesized existing research comparing the effects of hypermedia versus other forms of instruction on students' achievement. Results suggest that the effects of using hypermedia are positive over non-hypermedia, but the effects may vary depending on what type of instruction hypermedia is compared to.…