International Civic and Citizenship Education Study, 2009

self-enumerated questionnaireTo compute sampling variances, means, percentages, regression coefficients and their JRR standard errors, users are provided with SAS macros. The four Jackknife SAS macros (JackGen.sas, JackReg.sas, JackPV.sas, and JackRegP.sas) are accompanied by sample SAS syntax to demonstrate their use and are summarized in the Jackknife Macros documentation. Users need to copy and paste the required macros and to run them as SAS syntax files.For more information about the study, users should visit the IEA International Civic and Citizenship Education Study website.