MIRT Linking for the Bifactor with Mixed Format Test

• In Event: Electronic Board Session III

Abstract

This study compared MIRT linking methods (CC and FIPC) for the bifactor model with mixed format tests. Different ratios of common item formats and group ability distributions were considered. The both methods well recovered the item parameters and they produced similar patterns based on the outcomes from simulation.

Authors

• Sohee Kim, UNIVERSITY OF SOUTH ALABAMA

• Yulim Kang, YONSEI UNIVERSITY