Title: Chao: a framework for the development of orchestration technologies for technology-enhanced learning activities using tablets in classrooms

Authors: Patrick Wang; Pierre Tchounikine; Matthieu Quignard

Addresses: Grenoble Informatics Laboratory, Grenoble Alpes University, 700 Avenue Centrale, 38401 Saint-Martin d'Hères, France ' Grenoble Informatics Laboratory, Grenoble Alpes University, 700 Avenue Centrale, 38401 Saint-Martin d'Hères, France ' ICAR, CNRS, École Normale Supérieure, 15 Parvis René Descartes, 69342 Lyon Cedex 07, France

Abstract: In technology-enhanced learning, orchestration technologies refer to computer systems that support teachers in the orchestration of learning applications. Due to the specificity and diversity of each learning application, the use of these orchestration technologies is often not adequate in situations that they were not designed for in the first place. In this article, we tackle this issue and present the software framework Chao. This framework has been designed to provide a set of classes, methods, and user interfaces to facilitate the development of orchestration technologies for tablets. The evaluation of this framework concerns its design, the usability of its user interfaces, and its ability to be adapted for various learning applications. The results suggest that teachers found the instances of the framework useful in assisting them during their orchestration tasks, and that little work is required to instantiate the framework.

Keywords: classroom orchestration; framework; orchestration technologies; tablets; technology-enhanced learning.

DOI: 10.1504/IJTEL.2018.088329

International Journal of Technology Enhanced Learning, 2018 Vol.10 No.1/2, pp.1 - 21

Received: 19 Dec 2016
Accepted: 13 Feb 2017

Published online: 21 Oct 2017 *

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