The aim of this paper is to present and discuss an educational work in which they were tried three strategies of collective intervention in a group of psychology students. The methodology and theoretical formulations were articulated in this propose. The concept of "group as a device" was affirmed throughout the process as a condition for the establishment of connections and the process of meaning production. The trials were analyzed in the discipline engendered by the activity of self-evaluation promoted by the end of the semester, which revealed the importance of intervention aimed at training professional critique of psychology.
training; intervention research; social psychology.