Aseguramiento del nivel de partida

Abstract

To guarantee the starting level to begin the development of activity is something that preoccupies both teachers and professors, particularly in a workshop or when dealing with a new content. The usual procedure   is the quote, in an oral or written way, the content which are needed to comprehend the new topic, design a seminar or to develop workshop practice in the laboratory to gain efficiency. Is it correct?. We think that is not completely correct. This article deals with the possible handicaps of the procedure.