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La Educación
Número: (116) III
Año: 1993


A paper by Judith Blake argues that there is a correlation between better academic performance and the development of intelligence in children of smaller families—one or two children. This was found in a sample of subjects born in the United States in the latter half of this century, thus confirming the concentration-dilution theory of social interactions in the family unit. The steady drop in the average number of children per women and per family in the developed countries during the period in question made the correlation more pronounced. Our study, which uses data similar to those used by Blake, duplicates the research and tests the findings that postulate a correlation between the number of siblings in a family, their academic performance and intelligence, for a group of rural elementary school children, in a demographic context defined for Latin America and Argentina. The findings do not corroborate the general trends hypothesized.