Moderating multiple e-discussions at a time puts high demands on teachers as moderators. Therefore, to be able to provide effective moderation, teachers should be given adequate awareness support. We evaluated our e-moderation system called "Moderator's Interface" comparing moderation with and without awareness support. Following a within subject design, our cases were two teachers who were asked to moderate discussions of their students and to choose and prepare a discussion topic compliant with the curriculum. Results indicate that additional awareness support was deliberately used during moderation when available. An analysis of data from the teachers’ answers to 120 questions and tasks indicates that in the awareness condition, both teachers performed better on the tasks as compared to moderating without awareness support. However, it could not be corroborated that teachers gained additional knowledge about the discussion solely from using the awareness support in absence of an external task
Abstract. One claim of Technology-Enhanced Learning (TEL) is to support and exploit benefits from distance learning and remote collaboration. On the other hand, several approaches to learning emphasize the importance of handson experience. Unfortunately, these two goals don't go well together with traditional learning techniques. Even though TEL technologies can alleviate this problem, it is not sufficiently solved yet -remote collaboration usually comes at the cost of losing direct hands-on access. The ARiSE project aimed at bringing Augmented Reality (AR) to School Environments, a technology that can potentially bridge the gap between the two goals mentioned. The project has designed, implemented and evaluated a pedagogical reference scenario where students worked hands-on together over large distances. This paper describes the AR learning approach we followed and discusses its implementation and its future potential. It shows a simple and successful distributed AR learning approach and suggests features for improvement.
Digitale Medien besitzen Eigenschaften, die es Lernenden erlauben, neue Zugangsweisen zur Welt zu entdecken. Das ist eine gewagte Behauptung. Wir werden versuchen, sie näher zu begründen und ihr Gestalt zu verleihen. Wir tun dies anhand von Beispielen aus dem Bereich der Computerkunst – anhand technischer Bilder. Wir setzen dazu bei Vilém Flusser (1999) an, der uns darauf hinweist, dass technische Bilder anders zu verstehen seien als traditionelle. Dieses Verständnis der technischen Bilder möchten wir auf den besonderen Charakter vieler Computerdinge hin verallgemeinern. Dies führt uns zu Vorschlägen zur Gestaltung von digitalen Medien für Lernumgebungen, insbesondere ihrer Eigenschaft der Interaktivität. Wir enden mit einem Beispiel der praktischen Umsetzung einer konstruktivistisch fundierten Lernumgebung aus unserem Forschungsprojekt COMPART: Ein RAUM FÜR DIE COMPUTERKUNST. Abschließend fragen wir nach der Eignung der Terme Flussers in Bezug auf dieses Projekt.
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