Disclaimer

The lecture notes posted on this website are for personal use only. The material is intended for educational purposes only. Reproduction of the material for any purposes other than what is intended is prohibited. I do not assume any responsibility for the content of the posted material. Use this material at your own discretion. It is possible that the posted material may have errors, typos, etc. Please feel free to send me your feedback if you think anything needs to be corrected/revised.

 

Lecture Notes

Datasets

Interactive Excel Sheets

HOMEWORKS

HANDOUTS

1. Dichotomous IRT Models

2. Polytomous IRT Models

3. Dimensionality Assessment/Local Independence

4. Item and Person Fit

5. Differential Item Functioning

6. Equating