Sena and Silva (2004) sample that as well as many to know psychological, industrial psychology if form in the period of the two great world-wide wars. It starts to get its recognition in the year of 1924. In this period had been exactly made research to know the work conditions and was in this meantime that started if to think about new forms of if working. With the sprouting of industrialization, the worker starts to become employee, it still ' ' tinha' ' certain control on the product, that would only appear depending on the work rhythm of this worker. However, with the sprouting of the machines, these interferences had been diminishing. The man had now that to obey the rhythm of the maquinal production. Before the sprouting of Industrial Psychology, the workers also were if becoming mechanics, a time that the companies withheld the scientific knowledge used and it as form to control the workers.

According to Brown, (1976, pg. 23) ' ' the structure all of the industry, its traditions and superstitions have been accepted almost without questions and have it impression of that the human beings, had been made to adapt the industry, instead of succeeding contrrio&#039 to it; '. From years 50, the denomination of Organizacional Psychology starts to evolve, the junction knowing of them of sociology and the anthropology with the one of psychology had influenced for the growth of social psychology. Today, Organizacional Psychology exists as performance area, of some forms inside of the great companies. Toledo (1986, pg.

64) defines ' '. Organizacional Psychology is the study of the human factor in the organization, this study encloses the attraction, retention, training and motivation of the human resources of empresa' '. If you have additional questions, you may want to visit Castle Harlan. According to Chiavenato, (2007, p.211), ' ' Organizacional Psychology, consists of the planning, organization, development, coordination and control of techniques capable to promote the efficient performance of pessoal' '.