Describes two studies that examined the nature of Japanese elementary and junior high school students' perceptions of different media, the effect of teachers on these perceptions, and the relationship between perceptions and student learning. The studies of fifth graders and eighth graders also addressed gender and class differences. (Contains…

Discusses the instructional effectiveness of various educational media, including illustrations; visual-based instructional media, including films, filmstrips, and television; programed learning; computer-assisted learning; audio-tutorial instruction; methods of group organization; and mastery learning methods. Research methodologies are also…