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 factors considered at DIALOG before creating a CD-ROM version of a data file, including increased revenues potential, technical viability, and user expectations. A checklist of questions used to review possible CD-ROM projects is provided. (EA)

Examines issues that librarians must address when purchasing databases on CD-ROM for networking. Highlights include network licenses; costs; restrictions on network rights; ownership of CD-ROMs; hardware requirements; fees for upgrading software; CD-ROM servers; pricing options; training materials; and disk drives. (LRW)

Investigated elementary school students' responses to two user-computer interfaces while the students solved basic arithmetic problems. Interfaces involved users' direct manipulation of images or interpretation of symbols. Data indicated that students were more comfortable and solved problems more quickly when manipulating images than when…

Reconsiders and affirms the general model of factors that influence the portability potential of educational software by summarizing the articles in this special issue. Factors that received the most attention include software design and development; overall instructional approach; teacher training; and cultural assumptions. Areas for further…

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)

Describes developments in multilevel modeling of educational and other social data. Suggests that such a technique be used for school effectiveness studies, political opinion surveys, and area-based studies. Recommends that the inherent hierarchical structure of social science data be reflected in statistical models. Argues that multilevel…

TESTAT is a supplementary module for the popular SYSTAT statistical package for the personal computer. The program performs test analyses based on classical test theory and item response theory. Limitations and advantages are discussed. (SLD)

Discussion of the development of a knowledge navigation system to assist users in searching a large database in a local/wide-area network environment considers the construction of navigation maps, the use of DOS and Windows, connection with electronic mail, and parallel operation with other systems such as BITNET. (28 references) (MES)

Describes the Consortium for Lexical Research (CLR), a cooperative archive of electronic materials (e.g., software programs, research reports) for lexical research available through the Internet. Discussion covers CLR membership, archive administration, using the facility, types of materials stored, and documentation on materials. Samples of CLR…

Sixty-three undergraduates who used both the System of Interactive Guidance and Information and SIGI PLUS rated them comparably in terms of the dimensions of analysis, synthesis of options, and general helpfulness. Ratings were not influenced by career choice, vocational education, information needs, or year in school. Thirty-nine preferred SIGI…

Describes the Space Shuttle Commander software package, which utilizes the dynaturtle microworld to teach elementary and middle school students about Newton's laws of motion. Design considerations for computer-based microworlds that represent a compromise between the philosophies of constructivism and direct instruction are presented. (91…

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)