Department of Political Science
University of Louisville
Differential Item Functioning material:
Gary King's "anchoring vignettes" approach
Hare et al. (2015): "Using Bayesian Aldrich McKelvey Scaling to Study Citizens' Ideological Preferences and Perceptions"
Milton Lodge's Sage greenback on "Magnitude Scaling"
Osterling and Everson's Sage greenback on "Differential Item Functioning"
"Intro to R" and "Graphing in R" material:
Intro to R slides
Intro to R.r code
2016 ANES dataset (for use with above script files)
Sijtsma and van der Ark (2017): "A Tutorial on How to do a Mokken Scale Analysis on your Test and Questionnaire Data"