%0 Journal Article %T Acuerdos Comunes de Validez: Di¨˘logo entre la Metodolog¨Şa Cuantitativa y Cualitativa %A Acevedo %A Carlos %J Cinta de moebio %D 2011 %I Scientific Electronic Library Online %R 10.4067/S0717-554X2011000300004 %X this article is divided into three sections. first, we define the state of physical science and logical positivism, concluding the transit of both towards constructivism. second, we outlined the piaget constructivism. third, with the intention of developing an example of this confluence in social sciences, we argue that few criteria of qualitative methodology validity are completely complementary to those contained in the statistics (paradigmatic technique used for quantitative analysis). %K validity %K methodology %K statistics %K logic positivism %K physical. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0717-554X2011000300004&lng=en&nrm=iso&tlng=en