Title

Software Note: Using BILOG for Fixed-Anchor Item Calibration

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

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

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