K. Berthold, T. H. Eysink, and A. Renkl, Assisting self-explanation prompts are more effective than open prompts Pre-Test r(180) =, 2009.

K. Berthold, M. Nückles, and A. Renkl, Writing learning protocols: Prompts foster cognitive and metacognitive activities as well as learning outcomes, Instructional design for effective and enjoyable computer-supported learning, pp.193-200, 2004.

R. Cox, Representation construction, externalised cognition and individual differences Article published online, 1999.

D. Jong and T. , The Guided Discovery Principle in Multimedia Learning, Cambridge handbook of multimedia learning Cambridge, pp.215-229, 2005.
DOI : 10.1017/CBO9780511816819.015

URL : https://hal.archives-ouvertes.fr/hal-00990405

W. Dörfler, Means for Meaning, Symbolizing and Communicating in Mathematics Classrooms. Perspectives on Discourse, Tools, and Instructional Design, pp.99-131, 2000.

L. Engl, S. Schumacher, K. Sitter, M. Größler, E. Niehaus et al., Entwicklung eines Messinstrumentes zur Erfassung der Protokollierfähigkeit ? initiiert durch Video-Items (Development of a measuring instrument for the ability to create work process protocols ? initialized by video items), pp.223-229, 2014.

J. Hsu, Multiple Comparisons: Theory and Methods, 1996.
DOI : 10.1007/978-1-4899-7180-7

A. Izsák, Representational Competence and Algebraic Modeling, Early Algebraization, pp.239-258, 2011.
DOI : 10.1007/978-3-642-17735-4_14

J. Kaput, Representation systems and mathematics, 1987.

M. A. Rau, V. Aleven, and N. Rummel, Intelligent Tutoring Systems with Multiple Representations and Self- Explanation Prompts Support Learning of Fractions, 2009.

D. J. Reid, J. Zhang, and Q. Chen, Supporting scientific discovery learning in a simulation environment, Journal of Computer Assisted Learning, vol.5, issue.3, pp.9-20, 2003.
DOI : 10.1046/j.0266-4909.2003.00002.x

W. Schnotz, C. Baadte, A. Müller, and R. Rasch, Creative Thinking and Problem Solving with Depictive and Descriptive Representations, Use of External Representations in Reasoning and Problem Solving, pp.11-35, 2010.

R. Tytler, V. Prain, P. Hubber, and B. Waldrip, Constructing representations to learn in science, 2013.