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Regular Articles

GENERATIONAL CHANGES ON THE DRAW-A-MAN TEST: A COMPARISON OF BRAZILIAN URBAN AND RURAL CHILDREN TESTED IN 1930, 2002 AND 2004


ROBERTO  COLOM  a1 , CARMEN E.  FLORES-MENDOZA  a2 and FRANCISCO J.  ABAD  a1
a1 Universidad Autónoma de Madrid, Spain
a2 Universidade Federal de Minas Gerais, Brazil

Article author query
colom r   [PubMed][Google Scholar] 
flores-mendoza ce   [PubMed][Google Scholar] 
abad fj   [PubMed][Google Scholar] 

Abstract

Although gains in generational intelligence test scores have been widely demonstrated around the world, researchers still do not know what has caused them. The cognitive stimulation and nutritional hypotheses summarize the several diverse potential causes that have been considered. This article analyses data for a sample of 499 children tested in 1930 and one equivalent sample of 710 children tested 72 years later, the largest gap ever considered. Both samples comprised children aged between 7 and 11 who were assessed by the Draw-a-Man test in the city of Belo Horizonte, Brazil. Further, one additional sample of 132 children was assessed in 2004 in a rural area very similar in several diverse factors to the 1930 urban sample. The results are consistent with both the cognitive stimulation and the nutritional hypotheses.

(Published Online January 27 2006)