Modified Robust Z method for equating and detecting item parameter drift

This study is aimed at: (1) revising the criterion used in Robust Z Method for detecting Item Parameter Drift (IPD), (2) identifying the strengths and weaknesses of the modified Robust Z Method, and (3) investigating the effect of IPD on examinees’ classification consistency using empirical data. Th...

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Bibliographic Details
Main Authors: Rahmawati Rahmawati, Djemari Mardapi
Format: Article
Language:English
Published: Universitas Negeri Yogyakarta 2015-06-01
Series:Research and Evaluation in Education
Online Access:https://journal.uny.ac.id/index.php/reid/article/view/4901