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Act RR2004-5 by Icelyn DAI is a document available to read on EtoBox.

What is Act RR2004-5 about?

This document discusses IRT scale linking methods for mixed-format tests, focusing on four primary methods: mean/mean, mean/sigma, Haebara, and Stocking-Lord. The study extends these methods to accommodate various IRT models used in mixed-format tests, which include both dichotomous and polytomous items. A simulation study evaluates the performance of these methods, revealing that Haebara and Stocking-Lord methods generally yield more accurate linking results compared to the others.

Author

Icelyn DAI

Language

EN