Software Note: Using BILOG for Fixed-Anchor Item Calibration

Authors

Christine E. DeMars, James Madison UniversityFollow
Daniel P. Jurich

Publication Date

2012

Document Type

Article

Abstract

Using BILOG in the fixed-anchor method of parameter scaling can lead to poor results if the ability distributions for the new-form and old-form populations differ. This software note explains the options the user should choose to avoid these problems.

Creative Commons License

This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Recommended Citation

DeMars, C. E., & Jurich, D. P. (2012). Software Note: Using BILOG for Fixed Anchor Item Calibration. Applied Psychological Measurement, 36, 232-236.