Discussion of Web-based distance education focuses on communication issues. Highlights include Internet communications; components of a Web site, including site architecture, user interface, information delivery method, and mode of feedback; elements of Web design, including conceptual design, sensory design, and reactive design; and a Web…

Presents a tested hypothesis raised by an earlier study and confirmed that query-surrogate documents chosen from within dense interdocument structures in scaled and visualized TREC Topic document data sets increased the number of relevant documents retrieved by 26-46%. Performance of information retrieval systems on data sets for which relevant…

Describes the design, implementation, and evaluation of a distributed Web-based learning community (DisWBLC) based on knowledge sharing for college students. Highlights include virtual learning communities; Web site resource searching; databases; screen design; user interface; feedback from teachers and students; and future possibilities.…

Describes "Placemark," an online tool for creating and managing Web pages within a school or district Web site. Topics include interviews with teachers to determine their needs, which centered around creating instructional materials and activities; online newsletters for parents; feedback to test the interface; formative evaluation; and…

Interactivity in the classroom is reported to promote a more active learning environment, facilitate the building of learning communities, provide greater feedback for lecturers, and help student motivation. Various definitions of interactivity exist in the literature, alternately focusing on the participants, structure and technology. The "PLS…

An online library catalog was used to evaluate an interactive query expansion facility based on relevance feedback for the Okapi, probabilistic, term weighting, retrieval system. A graphical user interface allowed searchers to select candidate terms extracted from relevant retrieved items to reformulate queries. Results suggested that the…

This document presents a theoretical approach and a methodology for analyzing data from students interacting with and learning from hypermedia systems. Interactions are mutually influenced by individual students' goals and strategies and the actions supported by the interface of the learning environment. The approach is illustrated by modelling…

Presents a stratified model of information retrieval interaction that views interaction as a dialog between participants (user and computer) through an interface. Discusses traditional and interaction models, and extension to relevance, user modeling, search term selection, and types of feedback in information retrieval. (AEF)

Compares humanlike versus machinelike interactional styles of computer interfaces, testing hypotheses that evaluative feedback conveyed through a humanlike interface will have greater impact on individuals' self-appraisals. Reflected appraisals were more influenced by computer feedback than were self-appraisals. Humanlike and machinelike interface…

Discusses the need for usability testing for information systems and for librarians to recognize what makes computer interfaces either easy or difficult to use. Highlights include user friendliness; navigation; standards; visual appeal; layout and design; feedback; help screens; and the usability-testing process. (LRW)

Explains haptic computer interfaces for Web sites that relay touch-sensory feedback to the user. Discusses the importance of touch to cognition and learning; whether haptics can improve performance and learning; haptic interfaces for accessibility for blind and physically impaired users; comparisons of haptic devices; barriers to implementation;…

Examines how metacognitive theory can be integrated into the design of computer-based learning environments through the user interface. Highlights include interface design, metacognition and cognitive processes, using metaphors, user access to information, visual feedback, navigational tools, interaction styles, menus, and self-evaluation methods.…

Sixteen courses were taught over a 2-year period at eight universities using Perseus, a HyperCard-based hypermedia information system that contains multimedia information about the Greek world, in order to examine how type of assignment influenced student perceptions about the Perseus interface and learning performance. Data collection methods…

Provides guidelines to instructional designers and multimedia developers for converting traditional instruction to electronic learning, specifically a Web-based format. Discusses initial planning; screen styles; user navigation requirements; appropriate links; target audience description; organization of course content; user interface designs;…