The data were entered in an Excel 2000 spreadsheet and processed using the Statistical Package for Social Sciences SPSS software, version 15.0.
Los datos fueron inseridos en una planilla Excel y procesados por medio del programa Statistical Package for Social Sciences SPSS, versión 15.0.
Os dados foram inseridos em planilha no Excel 2000 e processados por meio do software Statistical Package for Social Sciences SPSS, versão 15.0.