Video-Based Instruction: Issues of Effectiveness, Interaction, and Learner Control

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Abstract
Decades of research has shown that television, as a medium for delivering instruction, is at least as effective as classroom lecture. Although many educators have expressed concern over the quality and frequency of student/teacher interaction available through televised courses, studies indicate that different learners may have distinct needs for varying types of interaction. As the use of videocassette recorders has become widespread possibilities have increased for new methods of video-based instruction. The increasing use of videocassettes for delivery of instruction has also raised questions for possible future research on how student use of this medium differs from broadcast television or live classroom lecture.