%0 Journal Article
%T Estimating Interval Scale Values for Survey Item Response Categories
%A Hensler, Carl
%A Stipak, Brian
%D 1979
%P 627-649
%J American Journal of Political Science
%V 23
%I 3
%2 ISSN: 0092-5853
%U http://www.jstor.org/stable/2111033