Dr Gabriel Pallares is a young post-doctoral researcher at the CNRS i3 lab associated to Télécom ParisTech. Previously, he was a post-doctoral researcher in the ARgumentation Et Numérique (AREN) project (e-FRAN, Programme of Investment for the Future, operated by the Caisse des Dépôts group of the French General Commissariat of Investment) at the University of Montpellier. He received PhD in Education Sciences, University of Montpellier, within this same research project. His research interests include argumentation teaching/learning, critical thinking teaching/learning and socioscientific issues. His research in DIALLS involves principally development of methods for analysing interactions between students and coordinating feedback from users of the DIALLS online educational platform.