Adolescence is a stage of crisis in which the values and important people of childhood to leave one step to others to form the basis of adult setting up. Among the variables that will become protagonists of this transition, this study will translate into the important role of emotional dependence and its relationship with ambivalent sexism in the function of sex and age, as well as studying other psychosocial variables that are involved in adolescents' behavior. From a sample of 85 Secondary Education students, the data is analyzed using correlation tests, media comparison and variable control tests. The results show the differential evolution of dependence based on sex and age, the relationship with sexism, family and social isolation, guilt, self-esteem and submission.