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Test of English as a Foreign…1
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Tang, K. Linda; And Others – 1993
This study compared the performance of the LOGIST and BILOG computer programs on item response theory (IRT) based scaling and equating for the Test of English as a Foreign Language (TOEFL) using real and simulated data and two calibration structures. Applications of IRT for the TOEFL program are based on the three-parameter logistic (3PL) model.…
Descriptors: Comparative Analysis, Computer Simulation, Equated Scores, Estimation (Mathematics)