Presents a method of viewing the reflective properties of the parabola and ellipse. Reinforces previously studied concepts of mathematics useful for individual or classroom projects. (PK)

Describes a series of microcomputer-based laboratory exercises that are designed to assist undergraduate students in acquiring basic psychological concepts in memory retention. Mnemonics used in the exercises are explained, and computer-generated tabular and graphic displays designed for use in classroom demonstrations are described. (Author/LRW)

Suggests activities which use newspapers as a source of data from which students design, read, and use tables, charts, and graphs. The activities, in reproducible worksheet format, provide teachers with both short- and long-term projects. (PK)

Presents several kinds of mathematical problems or activities which are suggested by a clock face. (PK)

The methodology of data envelopment analysis, (DEA) a linear programming-based method, is described. Other procedures often used for measuring relative productive efficiency are discussed in relation to DEA, including ratio analysis and multiple regression analysis. The DEA technique is graphically illustrated for only two inputs and one output.…

Argues that primary grade level teachers must provide activities which promote thinking skills before expecting achievement in map, globe, and graphing skills. Provides examples of activities which may be used to promote the basic thinking skills which underlie all school work. (JDH)

Investigates techniques for automatic classification of book material focusing on: computer-based surrogation of monographic material, book surrogate clustering on basis of content association, evaluation of resultant classifications. Test collection (250 books) is described with surrogation by means of back-of-the-book index, table of contents,…

Reports results of unobtrusive testing of reference service (asking reference questions of library staff who are unaware of being evaluated) in government documents and central reference areas of 26 U.S. libraries. Accuracy of answers, interview and search process duration, referral, and use of catalog and technology are highlighted. (12…

Zipfian laws for frequency distributions of word pairs and longer phrases are derived from text sample analysis. From crossing of Zipfian curves, it is deduced that number of multi-word phrases that occur frequently in text is surprisingly small, of same order of magnitude as number of individual word-types. (8 references) (EJS)

Describes the use of the Communication Anxiety Graph (CAG) to help students trace the pattern of their anxiety when making a speech. Also reports the results of a study using the CAG. Provides advice for student speakers based on when their anxiety peak may occur. (PD)

Discusses a computer program requiring students to find an object on a grid by using location coordinates. The program, which provides a wide range of problem-solving activities, is a highly motivating approach to hands-on metric measurement, rounding off numbers, and plotting points on Cartesian coordinate systems. Includes complete program…

Presents information from Department of Education and Science bulletin summarizing "Census of Staff in Librarianship and Information Work in United Kingdom in 1981." Numbers of special libraries and staff, posts and qualifications, sex and age, job responsibilities, regionalism, and usefulness and future of census are noted. Seven…

The game of Sprouts is explained, and some elementary graph theory notions and techniques of game analysis are introduced. (DT)

In this paper, we discuss issues in planning and conducting research into mathematics learning. We emphasize two central themes: (1) the learners' mathematics (especially the issues and ideas, in given problem situations, that learners choose to think about and to present; and (2) the kinds of knowledge that learners may be building (including…

This is the second publication in the series that provides information about education in the new South Africa. Educational data were collected by the new nonracial education departments in each of the nine provinces. Because of the difficulties of gathering information on the new systems, no evaluation of the educational progress made by…