ANES: American National Election StudiesA collaboration of Stanford University and the University of Michigan, producing data on voting, public opinion, and political participation. The ANES produces high quality data from its own surveys on voting, public opinion, and political participation. Data are available in the form of raw data and statement files that can be run using statistical software such as SAS, SPSS or Stata. The help page provides technical assistance on how to use the data on the ANES Web site.