In the mathematics education literature, there is currently a debate about the mechanisms by which group discussion can contribute to mathematical learning and under what conditions this learning is likely to occur. In this paper, we contribute to this debate by illustrating three learning opportunities that group discussions can create. In…

This article reports that several colleges and universities like Purdue University are mining data they have about students to try to improve retention. The institutions analyze years' worth of data on which students did well and which did poorly, and what variables--whether they be SAT scores, financial-aid status, or attendance at the dining…

The purpose of the study was to examine the ecologies of two teachers and the extent that each teacher's agenda aligned with instructional activities and assessments for each unit of instruction. Data were collected in four ways: (1) videotaped record of each lesson, (2) live observation field notes and expanded field notes from the videotape, (3)…

Gives information for producing 35mm slides and for constructing a copy stand for the production of close-up photographs. (GS)

A discussion of the advantages of various reproduction machines. (HB)

This experiment was designed to determine the relative effectiveness of different types of visual illustrations used to complement instruction presented in in-service training. (Authors/JA)

This bibliography lists audial and visual aids for the teaching of Italian available in the United States and in Canada. (AM)

Focusing on the production and utilization of printing processes in constructing effective visuals for teaching, this bulletin contains articles on the silk screening stencil process, use of a similar process with a portable mimeograph, and the hectograph process. The first article lists equipment needed to make a silk screen, steps in building…

This guide to the classroom use of the blackboard, part of a series intended for second language teachers, is profusely illustrated in such a way as to make it useful in many classroom contexts. A discussion of the different varieties of classroom writing boards precedes an extensive "blackboard methodology." The mechanics of writing on the board…

Intended to provide media staff, library personnel, and educators with a bibliographical guide to commercially-produced educational slides, this computer computer-generated listing contains over 20,000 entries. The volume is divided into three principal sections: (1) a subject guide to educational slides including a subject heading outline and an…

The acid/base, reductant/oxidant, and solid/solute scales that are described can be used as visual representations of equilibrium expressions. (BB)

Proposes a method for French language instruction that uses an unidentified object, that is, an object constructed in such a way as to represent different things to different students. (AM)

This article discusses the purposes for which slides may be used in the foreign language classroom and how they can be displayed. (CFM)

Provided is a schematic diagram of the projector and a circuit diagram of the optical and electrical components of a simple planetarium that will seat 12 people. There is also a simple map showing major concepts of introductory positional astronomy. (AJ)

Described are 12 suggestions for using the overhead projector. Suggestions include preparation of transparencies, use of color, storage of transparencies, and projection of transparencies. (RH)