These are some simple IRT and IRT-like models for use in the tutorial. See the IRT5 page at the ECD wiki for more information.

Graphical Models

• DiBelloSamejimaExample (Netica network) DiBello--Samejima distribution with 3 levels in the observable.
• DiBelloSamejimaFourLevel (Netica network) DiBello--Samejima distribution with 4 levels in the observable.
• IRT5C (Netica network) 5-item Rasch model with context effect.
• IRT5_learn (Netica network) 5-item Rasch model for parameter learning.
• IRT5 (Netica network) 5-item IRT model

Pictures

• DiBelloSamejimaExample (PNG) (SVG)
• DiBelloSamejimaFourLevel (PNG) (SVG)
• IRT5c (PNG)
• IRT5C (PNG) (SVG)
• IRT5_learn (PNG) (SVG)
• IRT5 (PNG) (SVG)

Generated on Fri Nov 28 15:30:36 EST 2014.

More information about the file formats and tools to open them can be found at the Tools Page of the ECD Wiki.