%0 Journal Article %T Ideological Constraint in the Mass Public: A Methodological Critique and Some New Findings %A Sullivan, John L. %A Piereson, James E. %A Marcus, George E. %D 1978 %P 233-249 %J American Journal of Political Science %V 22 %I 2 %2 ISSN: 0092-5853 %U http://www.jstor.org/stable/2110615