Abstract
When somebody uses relational aggression seeks damage relations of others through manipulation and exclusion group. There is little research on this aggression type in preschool. Similarly, not been established clearly what psychological variables are associated with this. This research focused both relational and physical aggressions in a sample of 77 preschool children. Were measured cognitive variables (beliefs favorable toward aggression and theory of mind) and emotional variables (anger) in children. Do not significant differences between boys and girls were found in levels physical aggression or relational aggression. However, when included physical aggression as a covariate, more relational aggression was found in girls than children, and when relational aggression was used as a covariate, was found more physical aggression in boys than in girls. The anger came as an important factor in predicting relational aggression.This journal is registered under a Creative Commons Attribution 4.0 International Public License. Thus, this work may be reproduced, distributed, and publicly shared in digital format, as long as the names of the authors and Pontificia Universidad Javeriana are acknowledged. Others are allowed to quote, adapt, transform, auto-archive, republish, and create based on this material, for any purpose (even commercial ones), provided the authorship is duly acknowledged, a link to the original work is provided, and it is specified if changes have been made. Pontificia Universidad Javeriana does not hold the rights of published works and the authors are solely responsible for the contents of their works; they keep the moral, intellectual, privacy, and publicity rights. Approving the intervention of the work (review, copy-editing, translation, layout) and the following outreach, are granted through an use license and not through an assignment of rights. This means the journal and Pontificia Universidad Javeriana cannot be held responsible for any ethical malpractice by the authors. As a consequence of the protection granted by the use license, the journal is not required to publish recantations or modify information already published, unless the errata stems from the editorial management process. Publishing contents in this journal does not generate royalties for contributors.