As Web-based courses using videos have become popular in recent years, the issue of managing audiovisual aids has become noteworthy. The contents of audiovisual aids may include a lecture, an interview, a featurette, an experiment, etc. The audiovisual aids of Web-based courses are transformed into the streaming format that can make the quality of…

Presents data indicating that learning can be enhanced when information is presented that illustrates how science information can be used to solve problems. The experiments showed positive results through use of video-based macro-contexts. (ML)

Hypermedia applications have presented information through a variety of visual media, but the aural channel for information delivery has not been well developed. To reduce the likelihood of overloading the visual channel of communication in a program that presents a great deal of information through graphic illustration and animation, the…