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Test of English as a Foreign…1
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Way, Walter D.; Reese, Clyde M. – 1991
The use of two alternative item response theory (IRT) estimation models in the scaling and equating of the Test of English as a Foreign Language (TOEFL) was explored; and item scaling and test equating results based on these models were compared with results based on the three-parameter (3PL) model currently being used with the TOEFL. Models were…
Descriptors: Correlation, Equated Scores, Estimation (Mathematics), Goodness of Fit