Describes the National Library of Medicine's (NLM) experimental Sourcerer project which is developing software to accept a user query, automatically identifying appropriate information resources, and facilitating connection to those sources for information retrieval. Discusses the use of the World Wide Web and the Unified Medical Language System.…

Presents a mechanism, the Secure e-Course eXchange (eCX) designed to protect learning material from unauthorized dissemination, and shows how this mechanism can be integrated in the operation model of online learning course providers. The design of eCX is flexible to fit two operating models, the Institutional Server Model and the Corporate Server…

Describes participation patterns in scholarly mailing lists; analyzes their implications for the design and implementation of collaborative distributed multimedia, particularly systems intended for academic and professional settings; and suggests that participant reluctance to invest time in reading or contributing messages could be amplified when…

Discusses the effect of collaboration via e-mail links on the quality of 10- to 11-year-old students' science investigative skills in six elementary rural schools. The project identified several important issues related to teacher-inservice training requirements, development in cooperative groupwork for children, and software design. (AIM)

Presents an evaluation of one postgraduate subject (Information Technology for Teaching and Learning at the University of New South Wales), which is taught entirely online and uses public-domain browsers, e-mail and file transfer, and is integrated with software developed by the authors, WebTeach (c) to facilitate teacher/learner and…

This paper describes the design and implementation of a real time on-line collaboration tool, EDUCO. The main focus is to demonstrate how the tool is applied to a real life on-line distance education course, discuss the preliminary research findings of the qualitative empirical study, propose directions for future work and discuss implications.…

Cognitive flexibility theory is a constructivist learning paradigm emphasizing real-world complexity and the ill-structured nature of knowledge. This article discusses the design of a multimedia program (Perspectives on Emotional and Behavioral Disorders) based on cognitive flexibility theory and presents quantitative and qualitative results of…

This paper describes the early phases of an examination of the role played by Internet-based teacher professional development for K-12 teachers in the implementation of an innovation. The cases developed describe the effect of this professional development intervention on the teacher implementation of the knowledge construction tools in the…

Development of online courses requires the use of appropriate educational philosophies that discourage rote learning and passive transfer of information from teacher to learner. This paper reports on the development, use and evaluation of two second year Biology online software packages used by students in constructivist environments. The courses…

On-line performance assessment was developed to maximize the usefulness of performance assessment and to minimize the time and labor costs incurred. This paper reports on the development of an on-line performance assessment instrument, focusing on the establishment and validation of the scoring rubric and its implementation in the Rasch model, the…

A study investigated the experiences and attitudes of students and faculty in three dental schools in England, Netherlands, and the United States concerning computer-assisted learning (CAL), including their access to computers at home and at school, experience with interactive multimedia, and familiarity with the technique. Implications for use of…