%0 Journal Article
%T Modeling direction and intensity in semantically balanced ordinal scales: An assessment of congressional incumbent approval
%A Jones, Bradford S.
%A Sobel, Michael E.
%D 2000
%P 174-185
%J American Journal of Political Science
%V 44
%I 1
%2 ISSN: 0092-5853
%U http://www.jstor.org/stable/2669302