SAAVEDRA GUAJARDO, Eugenio    CASTRO R., Ana. The quality investigation, a present discussion. []. , 13, 13, pp.63-69. ISSN 1729-4827.

This work presents a discussion around the differences between the qualitative and quantitative approaches of investigation, which does not try to revive the old dispute on the greater validity of a method in despite of the other. Rather the utility of both methods, applied to different areas from the knowledge is emphasized. Some epistemologist elements are emphasized that distance both glances and the convergence that would exist between the qualitative investigation and the constructivism, settles down. In the same way the pertinent of this approach in relation to the models of the social representations and their great adaptability to the investigation of this type of phenomena is analyzed. This exposition finalizes describing some questions that maintain their use and invite us to follow this reflection.

: Constructivism; Social representations; Role of the investigator; Subject object relation.

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