Adam M. Enders

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"

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"Intro to R" and "Graphing in R" material:

• Intro to R slides

• Intro to R.r code

• Graphics slides

• Graphics.r code

• 2016 ANES dataset (for use with above script files)

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Mokken Scaling:

• Sijtsma and van der Ark (2017): "A Tutorial on How to do a Mokken Scale Analysis on your Test and Questionnaire Data"

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