Videos -- Advantages and Disadvantages
From SPARK
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Unpublished
Advantages and Disadvantages of Video
Advantages
A. Reproduce motion (with or without sound) to display both relevant stimuli and desired student responses required by the instruction. One example of this use: If displaying vignettes that show the interaction of people, to show the student what should (or should not) be done.
B. Provide instant replay to critique or evaluate the performance of: 1) students, by taping selected actions for use in courses on how to develop interpersonal skills; for example; interviewing techniques, conducting meetings, and giving presentations; and 2) instructors or speakers, for guidance in editing material before final presentation.
C. Produce visual effects to enhance either the learning process or entertainment value of the presentation. Depending on the writer’s intent and ability to visualize effects (and the production staff); some of the effects that can be produced on videotape are: compression or extension of time or illusion of activities going on at the same time; split or multiple screen images for a variety of visual cues; a smooth flow of visual changes from one scene to the next; and the exaggeration of motion through various speeds from slow to fast.
D. Lock in content and sequencing of the training used interactively with workbooks, guides, texts, tools, or other things used on the job.
E. Produce the same information simultaneously to various sized audiences in different locations by having monitors in various classrooms.
Disadvantages
A. Implementing materials requires video equipment to be locally available and compatible with the video tape (on reel or in cassette) that is distributed.
B. Video script-writing is difficult and time consuming.
C. Production costs are high, and talented production teams scarce.
D. Visual quality when duplicated may be poor.
E. Small monitor screens limit audience size unless multiple monitors or video projection systems are used.
F. The amount of lettering on graphics for video is limited to about one-half that of still visuals.
G. Rapid changes in technology make obsolescence of video systems a continuing problem.
Internal notes:
PGB —I thought this would be useful.
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