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Collaborative tools have been used in educational contexts for supporting communication and collaboration among students, discussions about topics, cooperative problem resolution, knowledge sharing and collaborative knowledge construction. A proper use of these tools reduces student isolation in web-based courses and facilitates the development of personal… (More)
Research findings suggest that the value added by the video channel of currently available video conferencing technology is limited to the creation of a social presence of the other party. Almost all clinical information exchange takes place on the audio channel, while the interpersonal interactions (nods, blinks, facial expressions, and body language),… (More)
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A nonpathogenic strain of Citrobacter sedlakii which expresses the Escherichia coli O157 antigen is described. The discovery of this strain emphasizes the necessity of additional biochemical and/or toxigenicity testing when isolates react with E. coli O157 latex reagents.
In this paper we present the use of adaptation techniques to dynamically generate adaptive collaborative Web-based courses. These courses are generated at runtime by selecting, at every step and for each student, the most suitable collaborative tasks to be proposed, the time at which they are presented , the specific problems to be solved, the most suitable… (More)
This paper presents insights around designing and evaluating with teenagers from the results of two technology enhanced learning projects. The Out There in Here project reviewed technology for field based learning with teenagers compared to other age groups. The Juxtalearn project focuses primarily on teenagers using technology to create learning… (More)
Adaptive hypermedia constitutes a pretty rich resource for developing web-based courses. With the aim of dynamically generating adaptive e-courses, we have developed the TANGOW system which, starting from the course components and their adaptation capabilities (specified independently and out of the adaptation engine), generates different courses for… (More)