Describes how to construct a device that will show interference fringes formed by multiple reflections in an air gap between two partially silvered glass surfaces. (MLH)

Describes a new technique for presenting shadow plays with a projector and silhouette figures, manipulated individually. The procedure was developed at the Research and Development Center for Objective Teaching and Learning Procedures at Paderborn. (IFS/WGA)

Effective use of visual illustration entails consideration of specific instructional purposes, method of presentation, student characteristics, type of objectives, and cuing techniques. (LS)

Describes a study in which engineering students who were shown accompanying slides during lecture scored significantly higher on a subsequent quiz than a control section. (MLH)

The report reviews the origins, development, and current state of the major marking and visual-display surfaces; considers the optimum installation and use of these devices; contains a bibliography, a decision- making checklist, and list of suppliers of the different types of materials. (MLF)

Examines the inability of libraries to include sexual videotapes in their collections. Discusses the explicit text versus visual images and the double standards in collection policies; Madonna's picture book, "Sex"; controversial films; and who the censors are. Reviews 20 videotapes with explicit images of violence, sex, and other issues. (AEF)

Describes the Pennsylvania County Mapper, which provides economic and social data by county and enables users to create and customize electronic thematic maps through the Internet. Discusses conditions leading to the development of the site and basic requirements for service; relates experiences with building an online mapping system. (AEF)

Presents simple steps for projecting images from a computer screen, for use in the classroom. Discusses how to connect the computer to the television, equipment needed, and placing the monitor for maximum visibility. (AEF)

Describes the construction of a simple apparatus that can be used to take advantage of the overhead projector in a spectacular presentation of chemical reactions that complement quantitative approaches of study in the traditional high school science classroom. (JRH)

Discusses several dynamic geometry constructions with rectangles. Advocates use of software like Geometer's Sketchpad and Cabri Geometry for fostering fresh insight into traditional geometric theorems. Illustrates problem-solving methods not possible with pencil and paper. (MTE)

This article describes how students (ages 8-16) with hearing impairments can use geoboards to develop perceptions about squares, including: pattern recognition, characteristics of squares, concepts of area and perimeter, and generalizations of those ideas. A step-by-step lesson plan and a student worksheet are provided. (CR)

This issue on developing enterprise within higher education includes six articles on universities' partnerships, barriers to start-up and their effect on aspiring entrepreneurs, issues in marketing enterprise initiatives within a university, entrepreneurial summer school as a model for teaching, video as a teaching aid, and the role of personality…

Describes the introduction of Web-based components into an undergraduate applied psychology course at DePaul University, including visual displays to accompany lectures, interactive instructional exercises, and course materials. Results of evaluations by students showed the Web-based materials to be very accessible and helpful. (Author/LRW)

Reviews current empirical data on the effectiveness of animation in computer-based instruction. Research on static visuals and learning is examined; animation research is described that includes studies with elementary school children, high school students, and adult learners; and implications for current instructional design are suggested. (56…

Suggests a videotape illustration is highly effective in teaching Kelley's covariation attribution model. Notes the use of videotapes improves the students' understanding of attribution concepts. Claims students are able to make appropriate attributions using Kelley's model and to apply them to real-life situations. (Author/NL)