- Respondents reporting whether they think it will be necessary to give up some civil liberties to curb terrorism in the United States, United States, selected years 1996-2011
- Respondents reporting concern about the U.S. Government's anti-terrorism policies, United States, selected years, 2004-2010
- Attitudes toward whether certain civil rights should be extened to persons sympathetic to terrorists, United States, 2003, 2007, and 2009
- Attitudes toward requiring all citizens to carry a national identity card to curb terrorism in the United States, United States, 2001, 2002, 2003, 2006, and 2011
