The variables selected were pre-encoded and stored in SPSSStatistical Package for the Social Sciences version 15.0.
Las variables seleccionadas fueron precodificadas y almacenadas en el programa SPSS StatisticalPackage for the Social Sciences versión 15.0.
As variáveis selecionadas foram pré-codificadas e armazenadas ao programa SPSS StatisticalPackage for the Social Sciences versão 15.0.