@INPROCEEDINGS{GalvezAIED2009, author = {Ricardo Conejo and Beatriz Barros and Eduardo Guzmán and Jaime Gálvez}, title = {An experiment to measure learning in a collaborative assessment environment}, booktitle = {Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling}, editor = {Vania Dimitrova and Riichiro Mizoguchi and Benedict du Boulay and Art Graesser}, pages = {620-622}, year = {2009}, isbn = {978-1-60750-028-5}, publisher = {IOS Press}, address = {Amsterdam, The Netherlands, The Netherlands} }