It is one thing to produce an innovative, construct-based assessment task; it's another to produce 10 a year that are comparable in difficulty, measure the same competencies, are free of differential item functioning, and can be scaled and equated. These challenges contributed to the failure of the performance (or authentic) assessment movement of…

In this article, Michael F. Shaughnessy, Contributing Editor of this journal, interviews David Dockterman, Chief Architect, Learning Sciences, at Scholastic Education, where he provides guidance on turning research into practical programs. Dockterman was one of the founders of Tom Snyder Productions, a leading educational software developer and…

Michael W. Allen, the Chairman and CEO of Allen Interactions, is an architect of interactive multimedia learning and is recognized for his many insights, inventions, and presentations. With over 50 years of experience in e-learning, both in academic and corporate settings, he is known for his role in creating Authorware and overseeing the work of…

Susan M. Fulgham and Michael F. Shaughnessy, Contributing Editors for this journal, present their interview with Marcia C. Linn, Professor of Development and Cognition, specializing in education in mathematics, science, and technology, in the Graduate School of Education at the University of California, Berkeley. Linn is currently investigating…

Larry Johnson has been the CEO of the New Media Consortium (NMC) for nearly a decade, and he has worked in higher education for more than twenty-five years. Before joining NMC, he served in roles that include faculty member, dean, provost, and president. In this interview, he talks about the position of NMC in distance education and the challenges…

This article discusses Research Blogging, a community-run nonprofit organization that is promoting a suite of blogging software to scholars. Research Blogging itself does two things. First, it extends an invitation to a community, and it is open to anyone. Second, it requires its users to follow guidelines. The combination of rigorous guidelines…

While the growing prevalence of Web 2.0 in education opens up exciting opportunities for universities to explore expansive, new literacies practices, concomitantly, it presents unique challenges. Many universities are changing from a content delivery paradigm of eLearning 1.0 to a learner-focused paradigm of eLearning 2.0. In this article, we…

Discussion of imaging in the fine arts focuses on retrieval and display of surrogate images from a collection and activities to restore, preserve, or conserve original objects. Issues are examined that relate to capturing or digitizing the image, resolution and display, storage and compression, and image distribution. (31 references) (LRW)

Discusses the current problems associated with computer viruses that affect system and software users and the frequency with which they occur. System security is discussed, steps to take to safeguard against damage by computer viruses are suggested, and anti-viral programs, or vaccines, are described. (LRW)

Guidelines for selecting and working with computer consultants include the following: contract or hire?; select consultant; analyze system requirements; design system; implement system; make the system operational; and maintain the system. (JOW)

Blogs, which began as a way to easily post one's thoughts online in print, have evolved to include multimedia capabilities. A blog is not limited to text--audio and video can be incorporated. A video blog (commonly called a vlog) is a blog that uses video in its posts. People who create vlogs are vloggers, and the worldwide community of vlogs and…

Describes a model for dynamic electronic performance support systems based on NNAble, a system developed by the training group at Apple Computer. Principles for designing dynamic performance support are discussed, including a systems approach, performer-centered design, awareness of situated cognition, organizational memory, and technology use.…

Research on cognitive modeling of information search and Web navigation emphasizes the importance of "information scent" (the relevance of semantic cues such as link labels and headings to a reader's goal; Pirolli & Card, 1999). This article shows that not only semantic but also structural knowledge is involved in navigating the Web…

Discusses the problem of processing fuzzy queries in databases and information retrieval systems and presents a prototype of a fuzzy query processing system for databases that is based on data clustering and uses Pascal programing language. Clustering schemes are explained, and the system architecture that uses natural language is described. (14…

Discusses some basic notions of modern cryptography: public key systems and digital signatures. Describes how theoretical modern cryptography can help solve security problems on the Internet. (Author/JKP)