For example, you might use email to keep in closer contact with students, or a bulletin board to let students talk to each other. But it's best not to put yourself or the students in the position of having to spend as much time learning the software as learning the course material. Learners should be able to read, that is, anticipate what's coming up and move ahead to find out if they accurately predicted about the structure and direction of the material. Learners need to be getting feedback on their decisions and correcting as they go along. Try not to squeeze your instruction into a medium that doesn't fit.
Different media have different strengths.
Spatial organization, as with parts of a machine or an organism. Hierarchical or taxonomic organization, which generally requires diagramming and thus works well in a large-field visual medium such as a blackboard , whiteboard , book , or overhead projector . The periodic table of elements . To make an overly broad generalization, the more the subject requires examination of photographic or detailed images, the more useful electronic and projection tools will be. With careful planning, however, text and diagrams can make good use of these tools as well.