Animation of the two-parameter partial credit (2PPC) model
- Author:
- George Anthony Benners
This graphic illustrates the two-parameter partial credit (2PPC) Item Response Theory (IRT) Model, for polytomously scored items (Muraki, 1992; Yen, 1993)
Manipulate the sliders to change the item parameters.
Created by G. Anthony Benners, Ph.D.