This report summarizes the results of more than 10,000 individual judgments, carried out in five related studies, all concerned with perceived reading efforts of text on visual displays and printouts. Students and personnel in the Department of Computer Science at the University of Stockholm served as study subjects. In experiments in which…

Describes two studies that demonstrate young children's perception of color materials differs from that of adults in two ways: (1) the stimulus dimensions of hue, chroma, and value appear to result in somewhat more separable perception for young children than for adults, and (2) the perceived similarities the color materials are not the same for…

This examination of the effectiveness of various methods of cuing users to their location in a videotex information system used five different versions of an electronic edition of a college catalog: "simple" (no cues), "headers" (textual cues), "color" (color cues), "icons" (graphic cues), and…

Describes study of high school students that was designed to determine the relative effectiveness of color, graphics, and animation in computer assisted learning (CAL) of a mathematical rule. Three CAL modes, in color and in black and white, are compared; pretests and posttests are explained; and further research needs are suggested. (13…

Discussion of the use of nonexamples as an effective strategy in teaching concepts focuses on a study of college students that explored the use of common errors to teach the procedure for color correction of color transparencies. Treatments for the experimental and control groups are described, and further research needs are indicated. (Author/LRW)