The present investigation has had as general objective, to demonstrate that the application of the Didactic Technique "ASERTUS" influences significantly in the learning of the assertiveness in the students of the third grade, in the área of Personal Social, of the lnstitution Educational Nº 00536 Manuel Second of the Eagle Velásquez, in the year 2007. Whose the fundamental purpose is to make the student to develop his social abilities, his reflexive thought, his creative capacities that allow him to be unwrapped appropriately at every moment and circumstance of his life. The study, has as theoretical sustenances: the physiologic theory According to Maslow, the theory of the multiple intelligence According to Gardner, the theory of the significant learning According to Ausubel, the theory psicosocial of Vygotsky, the theory of the social abilities According to Nuns and the theory of th...