Research about cohesion, show that it requires members of a group have very high morale, feelings of belonging and identification with peers idea, this feature gives underlying the participants of a group. Structure a: a refers to the organization and standards group behavior. This property implies a hierarchical system in which the group gives its members, positions and different roles according to: skills, abilities, knowledge, status, age, etc. The Rules: a constitute the framework for the conduct of the group. Also defined as the rules of conduct proposed and accepted by all members, for the proper operation, maintenance, growth and development of the group. Goals a: a constitute the expected result by the group to achieve them, group members work together.

The goals help to guide the activities of the group towards certain directions and affect one way or another behavior and personal development of the same group. a All aspects covered in this part, is to form or shape the Theoretical Framework of Group Dynamics. a 5. – MODELS Intervento "N. a 5. 1. – Gestalt theory a Gestalt is a German word that means the whole, the totality. Designates the philosophical school of psychological thought in Berlin, which has led to a new form of therapy and training for developing human potential, he sees problems and neuroses as congruence, a break in gestalt and the unity of being, as an emergence of a figure on a background and emphasis placed on the trachea how feelings are experienced in the here and time on the how and not why.