Abstract
Equating makes it possible to compare performances on different forms of a test. Three different equating methods (baseline selection, subgroup, and subscore equating) using common-item item response theory equating were examined for their impact on detection of treatment effects in multilevel models.
Original language | English |
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Article number | eP2673 |
Pages (from-to) | 2-20 |
Number of pages | 19 |
Journal | Journal of Modern Applied Statistical Methods |
Volume | 17 |
Issue number | 2 |
DOIs | |
State | Published - 2018 |
Bibliographical note
Publisher Copyright:Copyright © 2019 JMASM, Inc.
Keywords
- Common-item IRT equating
- MCMC estimation
- generalized partial credit model
- mixture Rasch model
- subgroup equating
- subscore equating