Many writers suggest the use of metaphors in creating hypermedia and multimedia products. However, it is unclear how to choose an appropriate metaphor and how to avoid an inappropriate metaphor that will cause confusion and conceptual difficulties for users. A metaphor compares one thing to another without directly stating the comparison,…

The "PLATO[R] Math Expeditions" and "PLATO[R] Projects for the Real World" curricula are designed to implement effective, research-based instructional practices. "Math Expeditions" is designed to give elementary grade users the mathematics skills and practice needed to solve real-life problems. Across the eight…

Describes ways in which instructional media and educational technology can be used to improve the attitudes and interest of at-risk students to help keep them in school. Topics discussed include curriculum development; hardware; software; flexible programs for dropouts; and programs for homebound students that use telecommunications networks. (LRW)