This third installment in a series on instructional videodiscs for teachers focuses on the equipment needed to bring videodisc programs to the classroom. Videodisc delivery systems are explained, players and monitors are described, and three types of computer-controlled systems are discussed: hybrid systems, peripheral systems, and integrated…

Compares two authoring tools that were developed to enable users without programing experience to create and modify software. HyperCard, designed for Macintosh microcomputers, and ToolBook, for microcomputers that run on MS-DOS, are compared in the areas of programing languages, graphics and printing capabilities, user interface, system…

Describes an empirical evaluation that investigated the criteria by which designers of human-machine systems evaluate design information. Professional designers of nuclear power plant control rooms rated hypothetical information search questions in terms of relevance, importance, cost, and effort based on Rouse's model of information search…

Argues for simplification in the use and development of bibliographic standards to increase usability by librarians and patrons and to reduce costs for libraries. The application of technology such as hypertext is also considered. (EA)

Describes software selection criteria considered for use with the bibliographic database of the Development Information Network for South Asia (DEVINSA), which is located in Sri Lanka. Highlights include ease of database creation, database size, input, editing, data validation, inverted files, searching, storing searches, vocabulary control, user…