Presentation paper

Robust IRT scaling: Considerations in constructing item bank from tests across years

2017

By: Jungnam Kim, Dong-In Kim, Furong Gao


Description

This study investigates the impact of three different IRT scaling and equating methods in building an item bank of tests from 23 years of a national licensure exam . The study focuses on several key psychometric issues including scaledriftandequatingerrors.


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