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| Educational Media | 3 |
| Visual Perception | 3 |
| Visual Stimuli | 3 |
| Cues | 2 |
| Audiovisual Aids | 1 |
| Concept Formation | 1 |
| Concept Teaching | 1 |
| Dimensional Preference | 1 |
| Educational Television | 1 |
| Instructional Design | 1 |
| Learning Modalities | 1 |
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Metcalf, Richard Maddox – 1968
A study was conducted with three eighth grade students to determine the separate and joint effects of image size, image brightness, and image contrast on the visibility of projected materials. Twenty-five hundred slides were presented, representing 20 slides each of all possible combinations of values of the independent variables. Telegraph keys…
Descriptors: Audiovisual Aids, Educational Media, Lighting, Slides
Tennyson, Robert D. – Educational Communication and Technology: A Journal of Theory, Research, and Development, 1978
Two design strategies were tested on 69 elementary school children to investigate (1) the effect of using three types of pictorial supports to focus student attention on the important features of a concept or rule, and (2) the importance of specific pretraining instruction on using the pictorial to notice and label relevant rules and concepts.…
Descriptors: Concept Formation, Concept Teaching, Cues, Educational Media
Peer reviewedTidhar, Chava – British Journal of Educational Technology, 1973
An attempt to isolate possible effects of the application of visual reminders on learning by TV. The underlying assumption was that learning by means of television and other visual media can be enhanced by methodically applying visual reminders. (Author)
Descriptors: Cues, Dimensional Preference, Educational Media, Educational Television
