For the processing and analysis of the data, the Statistical Package for the Social Sciences SPSS, version 14.0, was used.
Para el tratamiento y análisis de los datos, se utilizó el programaStatistical Package for theSocial Sciences SPSS, versión 14.0.
Para o tratamento e análise dos dados, utilizou-se o programa Statistical Package for theSocial Sciences SPSS, versão 14.0.