deltaPlotR: An R Package for Di?erential Item Functioning Analysis with Ango? s Delta Plot

Article English OPEN
Magis, David; Facon, Bruno;
(2014)

Angoff's delta plot is a straightforward and not computationally intensive method to identify differential item functioning (DIF) among dichotomously scored items. This approach was recently improved by proposing an optimal threshold selection and by considering several... View more
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