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L'Algebrista: un manipolatore simbolico elementare
Presentazione di un nuovo software didattico per l’introduzione degli allievi all’algebra. L’idea di base è quella di costruire un micromondo nel quale le attività di manipolazione simbolica corrispondano alle attività di deduzione all’interno di una teoria. L’ipotesi didattica vede tale micromondo come possibile mediatore del significato di teoria ed in particolare di dimostrazione.
Author(s): Cerulli Michele,Mariotti Maria Alessandra

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Calculators, graphs, gestures and the production of meaning
In this paper we report an analysis of a teaching sequence in which Grade 11 students were asked to produce some graphs corresponding to the relationship between time and distance of a cylinder moving up and down an inclined plane. The students were also asked to carry out the experience using a TI 83+ graphic calculator equipped with a sensor, and to discuss and explain the differences between their own graphs and the ones obtained with the calculator. We analyze the students' processes of mea
Author(s): Radford Luis,Demers Serge,Guzmán José,Cerulli Mi

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Calculators, graphs, gestures and the production of meaning
In this paper we report an analysis of a teaching sequence in which Grade 11 students were asked to produce some graphs corresponding to the relationship between time and distance of a cylinder moving up and down an inclined plane. The students were also asked to carry out the experience using a TI 83+ graphic calculator equipped with a sensor, and to discuss and explain the differences between their own graphs and the ones obtained with the calculator. We analyze the students' processes of mea
Author(s): Radford Luis,Demers Serge,Guzmán José,Cerulli Mi

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Calculators, graphs, gestures and the production of meaning
In this paper we report an analysis of a teaching sequence in which Grade 11 students were asked to produce some graphs corresponding to the relationship between time and distance of a cylinder moving up and down an inclined plane. The students were also asked to carry out the experience using a TI 83+ graphic calculator equipped with a sensor, and to discuss and explain the differences between their own graphs and the ones obtained with the calculator. We analyze the students' processes of mea
Author(s): Radford Luis,Demers Serge,Guzmán José,Cerulli Mi

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La natura della mediazione offerta dai sistemi basati su micromondi all’apprendimento della matema
In questo articolo prenderemo in esame il sistema ARI-LAB che abbiamo realizzato per sostenere gli alunni nello sviluppo di capacità nel problem solving aritmetico e cercheremo di descrivere alcune caratteristiche che questo software rende disponibile con il fine di valutarne le potenzialità sul terreno didattico. Nel fare ciò assumeremo due riferimenti: da una parte l'analisi della natura del sapere coinvolto nel problem solving aritmetico, descritta nella prima parte di questo lavoro, dall'
Author(s): Bottino Rosa Maria,Chiappini Giampaolo

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La natura della mediazione offerta dai sistemi basati su micromondi all’apprendimento della matema
In questo articolo prenderemo in esame il sistema ARI-LAB che abbiamo realizzato per sostenere gli alunni nello sviluppo di capacità nel problem solving aritmetico e cercheremo di descrivere alcune caratteristiche che questo software rende disponibile con il fine di valutarne le potenzialità sul terreno didattico. Nel fare ciò assumeremo due riferimenti: da una parte l'analisi della natura del sapere coinvolto nel problem solving aritmetico, descritta nella prima parte di questo lavoro, dall'
Author(s): Bottino Rosa Maria,Chiappini Giampaolo

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La natura della mediazione offerta dai sistemi basati su micromondi all’apprendimento della matema
Questo lavoro analizza il ruolo che ambienti basati sull’uso del calcolatore, ed in particolare i micromondi, possono assumere nelle attività di insegnamento e apprendimento di conoscenze matematiche. Il lavoro parte dallo studio di alcuni risultati significativi che si sono avuti in questo campo a livello internazionale. Tale studio viene utilizzato come quadro di riferimento per situare e analizzare una ricerca specifica che abbiamo svolto in questo settore. Tale ricerca riguarda la proge
Author(s): Bottino Rosa Maria,Chiappini Giampaolo

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A micoworld to implant a germ of probability
This paper reports on the third part of a long term experiment concerning the introduction of 12-13 years old pupils to the concept of randomness and probability. In the first parts, the pupils analysed the concept of randomness, in daily life and with LEGO-RCX robots. The third part is based on the Random Garden Game (within the programming environment ToonTalk). The pupils are guided towards the concepts of equivalence of sample spaces and of classical probability, through temporary and person
Author(s): Cerulli Michele,Chioccariello Augusto,Lemut Enrica

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A micoworld to implant a germ of probability
This paper reports on the third part of a long term experiment concerning the introduction of 12-13 years old pupils to the concept of randomness and probability. In the first parts, the pupils analysed the concept of randomness, in daily life and with LEGO-RCX robots. The third part is based on the Random Garden Game (within the programming environment ToonTalk). The pupils are guided towards the concepts of equivalence of sample spaces and of classical probability, through temporary and person
Author(s): Cerulli Michele,Chioccariello Augusto,Lemut Enrica

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A micoworld to implant a germ of probability
This paper reports on the third part of a long term experiment concerning the introduction of 12-13 years old pupils to the concept of randomness and probability. In the first parts, the pupils analysed the concept of randomness, in daily life and with LEGO-RCX robots. The third part is based on the Random Garden Game (within the programming environment ToonTalk). The pupils are guided towards the concepts of equivalence of sample spaces and of classical probability, through temporary and person
Author(s): Cerulli Michele,Chioccariello Augusto,Lemut Enrica

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TELMA Cross Experiment Guidelines
This document contains the guidelines developed by members of TELMA as a means for planning, conducting, and analysing a cross experiment aimed at contributing to the construction of a shared research perspective among TELMA teams . This is the product of the PhD students and young researchers that brought forward the whole activity. The actual experimental phase was proceeded by a reflective phase in which an agreement was achieved on what research questions to address during the experiment. O
Author(s): Bouhineau Denis,Cazes Claire,Chaachoua Hamid,Cerul

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Competence-based Knowledge Structures for Personalised Learning
The ELeGI project focuses on integrating technology-enhanced learning methodologies into a pedagogy-driven and service-oriented architecture based on Grid technology. It aims at a system that is capable of realising personalised, adaptive, and experiential learning. This requires to have available a framework that, on the one hand, allows for representing existing domain knowledge, and, on the other hand, provides a representation of the learner's current state of knowledge. It is shown that a
Author(s): Heller Jürgen,Mayer Birgit,Albert Dietrich

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First version of LimSee3 offering a template mechanism and a customized user interface
This document presents the first version of the LimSee3 multimedia authoring tool. We briefly recall the context in which it was designed, then we describe the main features of this version and its limitations and we illustrate its use trough an extensive example.,PALETTE deliverable - report number D.INF.03
Author(s): Quint Vincent,Mikáč Jan,Roisin Cécile

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Categorization of tools and pedagogical approaches related to collaborative learning and CoPs
This deliverable presents a categorization of tools and a clarification of the notion of "scenario". It presents some existing taxonomies. The tools inventory and the proposed categorization focus on a user perspective. It takes into account data collected from CoPs, from PALETTE's partners and from the existing literature.,PALETTE deliverable - report number D.PAR.02 - 155 pages
Author(s): Denis Brigitte,Erpicum Martin,Boukottaya Aida,Dael

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Categorization of tools and pedagogical approaches related to collaborative learning and CoPs
This deliverable presents a categorization of tools and a clarification of the notion of "scenario". It presents some existing taxonomies. The tools inventory and the proposed categorization focus on a user perspective. It takes into account data collected from CoPs, from PALETTE's partners and from the existing literature.,PALETTE deliverable - report number D.PAR.02 - 155 pages
Author(s): Denis Brigitte,Erpicum Martin,Boukottaya Aida,Dael

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Students' activity in computer supported collaborative problem solving in mathematics
The purpose of this study was to analyse secondary school students' (N=16) computer-supported collaborative mathematical problem solving. The problem addressed in the study was: What kinds of metacognitive processes appear during computer-supported collaborative learning in mathematics? Another aim of the study was to consider the applicability of networked learning in mathematics. The network-based learning environment Knowledge Forum (KF) was used to support students' collaborative problem sol
Author(s): Hurme Tarja-riitta,Järvelä Sanna

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Analyse de fichiers de traces d'étudiants : aspects didactiques
Users of a learning platforms are usually required to log in, that provides a great deal of data. The general question studied here is: how to exploit this data to help the different actors involved? At first let us introduce the platform and the experiments we conducted. Then we use a didactic model to produce a qualitative analysis from the quantitative data collected. A simple exercise classification emerges from the construction of two indicators. It is consistent with the different experim
Author(s): Vandebrouck Fabrice,Cazes Claire

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Students conceptions: an introduction to a formal characterization
We investigate in this paper the complexity of modeling students knowing of mathematics under the constraints of acknowledging both their possible lack of coherency and their local efficiency. For this purpose we propose a formalization of the notion of "conception" as a possible tool to answer the epistemological problem we identify. We apply then this approach to the study of the possible conceptions of "function", from an historical and then an epistemic point of view. We report the result of
Author(s): Balacheff Nicolas,Gaudin Nathalie

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Personalisation Services for Self e-Learning Networks
This paper describes the personalisation services designed for self e-learning networks in the SeLeNe project. A self e-learning network consists of web-based learning objects that have been made available to the network by its users, along with metadata descriptions of these learning objects and of the network's users. The proposed personalisation facilities include: querying learning object descriptions to return results tailored towards users' individual goals and preferences; the ability to
Author(s): Keenoy Kevin,Poulovassilis Alexandra,Christophides

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Is there a way to e-Bologna? Cross-National Collaborative Activities in University Courses
This article describes a study of distance collaborative activities that have been conducted in a cross-national setting between a Greek and a German university. We discuss issues related to organization, technology, and curricula considerations. In addition, we analyze the modes of cooperation that have been chosen in the students' work on creative problem solving tasks and conclude that for complex learning scenarios succesful collaboration and peer tutoring in advanced learning support enviro
Author(s): Harrer Andreas,Kahrimanis Georgios,Zeini Sam,Bolle

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