The Validation of The Vocabulary Level Test With The Rasch Model
DOI:
https://doi.org/10.32792/tqartj.v7i46.607Keywords:
vocabulary level test(VLT), Rasch model, ValidityAbstract
The most significant feature of any prosperous measuring implement is validity. Briefly, This work outlines the six sides of the Messickian validity framework. A brief introduction is presented late, to the Rasch model—a measurement model used fields that are related to the society—is given. An input revealed the model of Rasch may sort to establish various validity's features that are taken from Messick's perspective has been examined, also Rasch analysis is used as an instructive case to show the validity of a vocabulary level test. The findings indicate that a few items don't fit the Rasch model. An analysis revealed that several items had distracters that should be eliminated because they were not working as planned. Also, the study demonstrated that the test covered a broad spectrum of the ability scale and was on target. The sample's performance on two test subsets showed that participants' measures on the two subsets were the same, proving the instrument's unidimensionality.
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