This document is published in: Pedro J. Muñoz-Merino, Manuel Fernández Molina, Mario Muñoz-Organero, Carlos Delgado Kloos, “Motivation and Emotions in Competition Systems for Education: An empirical study” IEEE Transactions on Education, (2014), 57 (3), 182-187. DOI: http://dx.doi.org/ 10.1109/TE.2013.2297318 © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.