SUPPPLEMENTAL MATERIAL FOR LUPTON, MYERS, AND THORNTON:

 

Click here to view the article's supplemental online appendix providing summary statistics for the political sophistication scale, including for the stratified samples of the mass public, and confirmatory factor analysis results for elites and the mass public, for all years included in the analysis, as well as results from a variety of alternative model specifications.

 

Click here to visit my dataverse page, on which the 1980-2004 American National Elections Studies (ANES) and Convention Delegate Studies (CDS) data employed in the article, as well as the STATA code used to produce the models presented in the article, are located.