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irt-psychometrics-edu
Use this Skill for educational measurement with IRT: 2PL/3PL calibration, item information function, DIF detection, and test equating (Stocking-Lord).
maintainer
xjtulyc
Updated 3/18/2026
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20
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quick start
Installation and usage
Use this Skill for educational measurement with IRT: 2PL/3PL calibration, item information function, DIF detection, and test equating (Stocking-Lord).
Installation
$ install --globalskills.sh
Usage
Once installed, you can use this skill by running the following command in your terminal:
skills use irt-psychometrics-edu