Rasch modelling vs. item facility: implications on the validity of assessments of Asian EFL/ESL vocabulary knowledge and lexical sophistication modelling

Rasch modelling vs. item facility: implications on the validity of assessments of Asian EFL/ESL vocabulary knowledge and lexical sophistication modelling

Abstract This study examines how second/foreign language (L2) word difficulty estimates derived from item response theory (IRT) and classical test theory (CTT) frameworks are virtually identical in the context of vocabulary testing. This conclusion is reached via a two-stage process: (a) psychometri...

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Bibliographic Details
Main Authors: Liang Ye Tan, Stuart McLean, Young Ae Kim, Joseph P. Vitta
Format: Article
Language:English
Published: SpringerOpen 2024-11-01
Series:Language Testing in Asia
Subjects:
Instrument validation
Rasch analysis
Classical test theory
L2 word difficulty
Lexical sophistication
Online Access:https://doi.org/10.1186/s40468-024-00327-8
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https://doi.org/10.1186/s40468-024-00327-8

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