Artifact awareness is one person’s up to the moment knowledge of the artifacts that other group members are working with. Such awareness contributes to the overall information necessary for fluid group coordination and interaction. Yet current systems treat artifact awareness quite differently from the interpersonal awareness of group members using the artifact. Our approach differs. We exploit...

This paper presents an innovative approach in flexible learning that can facilitate hands-on activities in engineering education. The approach focuses on the mediation role of artifacts within a learning community. The artifacts serve both as a medium and as a product of the collaboration process in the community. We have proposed the eJournal as a mediating artifact, which has been developed t...

Vastly inconsistent definitions of the term “the IT artifact” in leading journals and conferences demonstrate why it no longer means anything in particular and should be retired from the active IS lexicon. Examples from the literature show why artifact-cousins, such as the IS artifact, sociotechnical artifact, social artifact, and ensemble artifact should be used with great care, if not retired...

J. Kruger and D. Dunning (1999) argued that the unskilled suffer a dual burden: Not only do they perform poorly, but their incompetence robs them of the metacognitive ability to realize it. J. Krueger and R. A. Mueller (2002) replicated these basic findings but interpreted them differently. They concluded that a combination of the better-than-average (BTA) effect and a regression artifact bette...

Introduction: The image quality of computed tomography (CT) can be seriously lowered by metal implants of patients. These implants are known to exert a significant impact on diagnostic accuracy due to artifacts. The current study aimed to assess the usefulness of Metal Artifact Reduction (MAR) software in the reduction of metal artifacts, in comparison to iterative rec...

spect detects γ-rays from administered radiopharmaceutical within the patient body. γ-rays pass through different tissues before reaching detectors and are attenuated. attenuation can cause artifacts; therefore different methods are used to minimize attenuation effects. in our study efficacy of chang method was evaluated for attenuation purpose, using a custom made heart phantom. due to differe...

___S ___E ___L The integration of technologies into school learning processes is motivated not only by their central role in the worlds of work and knowledge but also by their potential as mediators of social relations. They bring powerful tools to the task of converting classroom experiences into interactive and collaborative ones that deliver a range of pedagogical benefi ts (Wood & Malley, 1...