Discussion of how learner and teacher communicate in distance education focuses on Morre's concept of transactional distance in light of recent developments in telecommunications. Integrated telecommunications systems are described, adult learning and instructional transactions are discussed, and system dynamics are presented as a tool for…

Describes a computer program that can model the equilibrium processes in the production of ammonia from hydrogen and nitrogen, sulfur trioxide from sulfur dioxide and oxygen, and the nitrogen dioxide-dinitrogen tetroxide equilibrium. Provides information about downloading the program ChemEquilibrium from the World Wide Web. (JRH)

Describes Windows-based multimedia authoring programs that cost less than $1000. Discusses text support, interface variety, title creation, search and retrieval capabilities, special features, platform requirements and cost, design, royalty-free use, distribution and selling. (AEF)

Discusses the use of multimedia for communication, information, and training in large organizations through local area networks and wide area networks. New applications for multimedia are reviewed; network design considerations are discussed; requirements for multimedia software are described; and system security is considered. (LRW)

Lists 27 suggestions for making cost-effective decisions when buying personal computers. Topics covered include physical comfort; modem speed; color graphics; institutional discounts; direct-order firms; brand names; replacing versus upgrading; expanding hard disk capacity; printers; software; wants versus needs; and RLIN (Research Libraries…

Defines hypermedia and describes the structure and functional requirements of a hypermedia program. Potentials of hypermedia for instructional delivery, idea generation and organization, file storage and organization, and development of computer-based instruction materials are discussed. Several research issues related to instructional…

This issue includes 17 articles that provide suggestions for using CD-ROMs. Topics discussed include enhancing CD-ROM performance; CD-ROM management; personal computers; CD-ROM workstations; remote access to CD-ROMs; electronic publishing; local area networks with CD-ROMs; CD-ROMs and multimedia; evaluating CD-ROM products; and glossaries of local…

Discusses the use of local area networks (LANs) in libraries and offers suggestions for less expensive versions through resource sharing. Varying disk sizes are discussed, file sharing is described, printer sharing is explained, and combined hardware and software packages for connecting two to four computers are described. (20 references) (LRW)

Reviews the development of authoring systems from those present in mainframe computers to the newest versions in desktop training systems. Advances in microcomputers and the corresponding authoring systems are described, programing languages are discussed, and computer-based instructional development that includes graphical user interfaces and…

Continues a description of the Usenet computer network that began in the previous issue. The effective use of Usenet is discussed, including how to screen out unwanted information, the most helpful newsgroups to access, and setting up news reader software. Ideas for library outreach services via Usenet are also suggested. (LRW)

Presents a description and evaluation of a microcomputer-based system designed to diagnose errors in basic algorithmic procedures made by students in a college remedial mathematics class. The paper-and-pencil diagnostic test is described, and results of pretests and posttests for the computer group and control group are discussed. (five…

Describes a method that writing instructors can use for evaluating and commenting on college students' composition papers that uses a stand-alone word processor. Software is discussed, the instructor's role is explained, methods of evaluation and marking papers are suggested, and electronic grading is described. (three references) (LRW)

Five categories of microcomputer software for information storage and retrieval (ISR) are distinguished and characterized: classical retrieval systems; end-user software; indexing programs; full-text retrieval programs; and personal information managers. In addition, the special retrieval techniques of hypertext and best-matched searching are…

Describes research that was conducted to investigate the needs and characteristics of noncomputer professionals who use word processing software on personal computers. A model of the intermittent user's performance is presented, and two experiments are described that examined differences in mode of interaction and the use of online help. (30…

Discusses conversion projects that move information from one format to another. Planning considerations are discussed; types of conversion processes are described, including conversion between computers using software, cables, or networks; special conversions are examined, including CD-ROMs and online databases; and companies that specialize in…