One option for Extension professionals wishing to use free statistical software is to use online calculators, which are useful for common, simple analyses. A second option is to use a free computing environment capable of performing statistical analyses, like R-project. R-project is free, cross-platform, powerful, and respected, but may be…

Describes the design and operation of four software packages, or macros, written in the programing language of Microsoft's EXCEL for use on the Macintosh computer for data manipulation and presentation used in educational research. Reordering tabulated data, reversing the scoring of tabulated data, and creating tables and graphs are explained.…

Presents a prototype of a computerized grammar kit written in PROLOG and designed for children interested in exploring language. PROLOG's advantages for building parsers, generators, translators, and question-answering systems are discussed, and a scenario of a child working on a grammar project using the kit and implementation issues are…

Reduction in prices now makes it possible for almost any institution to use computer graphics for administrative decision making and research. Current and potential uses of computer graphics in these two areas are discussed. (JN)

Using PLATO, a computer-assisted instruction system, a test was conducted to see if students respond most favorably to an instructional package that included no graphic display, still graphic display, or animated graphic display. Forty-five students at the Naval Training Center, San Diego, were the subjects. With the learning of the sine-ratio…

In this article we describe a mathematical microworld for investigating car motion on a racing course and its use with a group of grade 12 students. The microworld is concerned with the mathematical construction of courses and functions which describe car motion. It is implemented in the computer algebra system, Maple[R], which provides the means…

Presents findings from a literature review on interactive videodisc technology, interactive videodisc-based training, computer-assisted instruction, and their translations into effective instructional applications. Issues in educational development and application, guidelines for using graphics and other video effects, instructor and student…

This paper examines hypermedia design and draws conclusions about how educational research and theory applies to various aspects of World Wide Web (WWW) homepage design. "Hypermedia" is defined as any collection of information which may be textual, graphical, visual, or auditory in nature and which may be accessed via a nonlinear route.…

With support from the National Science Foundation and the University of California, the Physics Computer Development Project have produced in the last six years computer based material in a wide variety of modes. Among the major products are science learning dialogs, graphic additions to APL (A Programming Language), the underlying software, and…