Rasch testlet model and bifactor analysis: how do they assess the dimensionality of large-scale Iranian EFL reading comprehension tests?
Abstract Rasch testlet and bifactor models are two measurement models that could deal with local item dependency (LID) in assessing the dimensionality of reading comprehension testlets. This study aimed to apply the measurement models to real item response data of the Iranian EFL reading comprehensi...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2021-02-01
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| Series: | Language Testing in Asia |
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| Online Access: | https://doi.org/10.1186/s40468-021-00118-5 |