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Designing integrative scripts
Scripts structure the collaborative learning process by constraining interactions, defining a sequence of activities and specifying individual roles. Scripts aim at increasing the probability that collaboration triggers knowledge generative interactions such as conflict resolution, explanation or mutual regulation. Integrative scripts are not bound to collaboration in small groups but include individual activities and class-wide activities. These pre- and poststructuring activities form the dida
Author(s): Dillenbourg Pierre,Jermann Patrick

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Collaboration Load
Does collaboration increase or decrease cognitive load during learning? On one hand, collaboration enables some degree of division of labour that may reduce cognitive load. On the other hand since interacting, expressing thoughts, monitoring another’s understanding, grounding, etc., are mechanisms inducing some extraneous cognitive load, they may create cognitive overload and impede learning mechanisms. However this additional load may explain why collaboration sometimes leads to knowledge cons
Author(s): Dillenbourg Pierre,Betrancourt Mireille

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Internet Scout Project
Developed by the University of Toronto Libraries, the Anatomia website offers a collection of about 4,500 plates and images of human anatomy from the Thomas Fisher Rare Book Library ranging in date from 1522 to 1867. Visitors can search the plates by entire plate description, artist, subject words, and/or plate title or can browse the plates by artist, title, or subject. By selecting the Anatomia highlights link, users can view images of importance due to their contributions to the advancement o
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Decentralized Service Deployment for Collaborative Environments
In this paper we present the design of a system which allows service deployment in a small-sized group of computers distributed through the Internet. These groups are formed by users who share a common interest, and voluntarily yield their own resources for the achievement of the collaborative activities of the group. Having enough resources contributed by the members of the group, our system guarantees service availability and the fact that the deployment and execution of the services is carrie
Author(s): Lazaro Iglesias Daniel,Marquès Joan Manuel,Jorba

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Extending the Scope of Asynchronous Collaboration: a Matter of Being Autonomous and Self-sufficient
Asynchronous collaborative applications and systems have to deal with complexities associated with interaction nature, idiosyncrasy of groups and technical and administrative issues. Inclusion of requirements derived from them is costly (in time, resources and economically). Existing solutions addresses asynchronous collaboration via simplification of requirements and by using centralized models. In this paper we present LaCOLLA, a fully decentralized infrastructure for building collaborative ap
Author(s): Marquès Joan Manuel,Navarro Leandro,Daradoumis Th

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Educator's Guide to Hosting a Global Health Conference
This guide uses biology, health, and world study topics to engage students in global health issues and solutions from experiential and multidisciplinary perspectives. The guide offers an outline of how to organize and host a "Global Health Conference," and provides suggestions regarding logistics and instructions as well as resource materials for preparing and organizing a student conference. The Global Health Conference is a school event where students present display boards and two-page essays
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Normalising Geometrical Constructions: A Context for the Generation of Meanings for Ratio and Propor
This paper describes aspects of 13 year-olds’ activity in mathematics as emerged during the implementation of proportional geometric tasks in the classroom. Pupils were working in pairs using a piece of software specially designed for multiple representation (symbolic and graphical) of the variation in parametric procedures with dynamic manipulation of variable. In this paper we discuss children’s use of normalising, an activity in which children ‘correct’ the geometrical figures while devel
Author(s): Psycharis Giorgos,Kynigos Chronis

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An examination of two types of timeline, linear vs. staggered: a mixed method approach
This study conducted as follow-up study to evaluate effects of two different time-based interfaces, linear and staggered. This study also tries to reveal users’ preferences when they look for information in two different computer-based timeline. Explanatory mixed method design was implemented. In the first part, quantitative, there were 42 subjects. Results shows no significant difference between two types of computer-based time-line in terms of task completion time and answer accuracy. In the
Author(s): Kursun Engin,Cagiltay Kursat

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Internet Scout Project
The Understanding the Universe Web site is part of Discovery.com's excellent educational resource DiscoverySchool.com site and is a joint effort with the American Museum of Natural History. This attractive site contains three major sections. The It's Awesome page has a time line of the universe that links to the Universe in One Year page -- a great way of learning the difficult concept of geologic time by showing that, if the history of the universe was compressed into one year, modern humans wo
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Training programme for geography teachers
This paper contains a description of a Geography teacher-training program for in-service education. The program is a variant for incorporating the methodology of the Minerva- project “Innovative Didactics via Web-based Learning” (further abbreviated as IDWBL) so that the Geography teachers at work can be adequately prepared for integrating ICT in geography education at secondary schools via web-based education. The theme may seem at first glance as a variation of a known subject… But for the
Author(s): Angelova-Gancheva Daniela

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The LEAP Authoring Tool: Supporting complex courseware authoring through reuse, rapid prototyping, a
An important goal of current work in computer-based learning environments is to develop systems that combine the richness and effectiveness of an individually crafted intelligent tutoring system (ITS) with the generality and flexibility of a computer-assisted instruction (CAI) authoring tool. Our effort to achieve this goal is demonstrated in the Learn, Explore and Practice (LEAPsm) ITS shell and its courseware development component, The LEAP Authoring Tool (LAT). The LAT was developed for use b
Author(s): Sparks Randall,Dooley Scott,Meiskey Lori,Blumentha

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Obstacles to the development of conceptual understanding in observational astronomy: the case of spa
Simple everyday phenomena like the day - night cycle and the sequence of four seasons are taught at the higher level of elementary education and the lower level of secondary education in Cyprus. Even though there is no specific subject dedicated to Astronomy or spatial reasoning, the day – night cycle, the sequence of the four seasons and the sequence of the lunar phases are part of the national curriculum of Geography. For this reason, the construction of conceptual understanding in basic Astr
Author(s): Nicolaou Christiana Th.,Constantinou Constantinos

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Toward Computer-Based Support of Meta-Cognitive Skills: a Computational Framework to Coach Self-Expl
We present a computational framework designed to improve learning from examples by supporting self-explanation ö the process of clarifying and making more complete to oneself the solution of an example. The framework is innovative in two ways. First, it represents the first attempt to provide computer support to example studying instead of problem solving. Second, it explicitly coaches a domain-general, meta-cognitive skill that many studies in cognitive science have shown to greatly improve le
Author(s): Conati Cristina,VanLehn Kurt

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Verbal Coaching During a Real-time Task
TRANSoM is a collaborative effort among university and industry researchers aimed at producing an intelligent tutoring system for training pilots of remotely operated vehicles (ROVs). ROVs are unmanned, tethered, underwater vehicles used in a range of applications such as inspection, search and salvage, and mine countermeasures. Pilots have to learn to maneuver the ROV, keeping track of its tether and its surroundings, using little more than a video camera and sonar. To minimize workload while a
Author(s): Roberts Bruce,Pioch Nicholas,Ferguson William

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Narrative Evolution: Learning from Students' Talk about Species Variation
Learners do not always enjoy productive interactions with Multimedia Interactive Learning Environments. Their attention can be distracted away from the educational focus intended by designers and teachers through poor design and operational inadequacy. In this paper we describe a study of groups of learners using a multimedia CD-ROM research tool called Galapagos. This tool was developed to enable us to observe groups of learners interacting with different versions of the same multimedia content
Author(s): Luckin Rosemary,Plowman Lydia,Laurillard Diana,Str

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The Science and Technology of Healthy Behaviors
Introduces middle school students to the scientific study of behavior. Lessons focus on defining behavior, what influences it, surveys, and behavioral specialists in health care settings. In role-playing activities as behavioral therapists, students investigate the influences and consequences of behaviors. They also learn how science provides evidence that can be used to understand and treat human disease.
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A Collaborative Case Study System For Distance Learning
Distance Learning from Case Studies involves enabling collaboration between two or more learners at a distance on a case study activity. In this paper we present an empirical qualitative study that simulates a learning scenario in which a pair of subjects at a distance are provided with a collaborative learning environment and required to collaborate in order to solve a case study. The results of this empirical qualitative study have implications that informed the design of a system: LeCS (Learn
Author(s): Rosatelli Marta C.,Self John

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Do two heads search better than one? Effects of student collaboration on Web search behavior and sea
This study compared Pairs of students with Single students in Web search tasks. The underlying hypothesis was that peer-to-peer collaboration encourages students to articulate their thoughts, which in turn has a facilitative effect on the regulation of the search process as well as search outcomes. Both hypotheses were supported by the results. Pairs located the target information more often and in less time than Singles did. Pairs also employed a richer repertoire of search strategies and were
Author(s): Lazonder Ard

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Un dispositif web pour l'enseignement des mathématiques à l'université : quels impacts sur la per
De nombreuses universités en France ont créé des sites Web pédagogiques avec l'objectif de moderniser leur pédagogie et motiver les étudiants. Les étudiants apprennent-ils mieux avec ces dispositifs ? Sont-ils plus satisfaits et motivés pour apprendre ? Nous avons réalisé une étude expérimentale pour évaluer l'apport pédagogique d'un site Web lors de la réalisation de séances de TD en mathématiques pour les sciences de la vie. Contrairement à nos attentes, mais en accord avec d
Author(s): Macedo-Rouet Mônica,Charles Sandrine,Ney Muriel,B

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Conception d'une ingénierie didactique pour l'introduction d'éléments d'algorithmique et de progr
Il y a entre les mathématiques et l'informatique une solidarité fondamentale qui repose sur l'histoire et sur les pratiques actuelles de ces disciplines. Une preuve en est le recours constant aux algorithmes dans les résolutions de problèmes mathématiques fondamentaux et l'existence de l'algorithmique comme domaine constitutif de l'informatique aux côtés d'autres, la théorie des langages, la théorie des automates, etc. Nous présentons[1] ici partiellement les premiers résultats d'un
Author(s): Birebent Alain,Nguyen Chi Thanh

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