The collected data were entered into an Excel spreadsheet and analysis was performed using the Statistical Package for Social Sciences SPSS, version 15.0.
Los datos recolectados fueron introducidos en una planilla Excel y el análisis fue realizado en el programa Statistical Package for Social Science SPSS versión 15.0.
Os dados coletados foram inseridos em planilha Excel e sua análise foi realizada no programa Statistical Package for Social Science SPSS, versão 15.0.