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Direct linkFarnsworth, Timothy L. – Language Assessment Quarterly, 2013
This study examined the construct validity of the TOEFL iBT Speaking subsection for the purposes of international teaching assistant (ITA) certification, a purpose for which it was not specifically designed. The factor structure of the new TOEFL was compared with that of another language performance test in use at a major American research…
Descriptors: Test Validity, Language Tests, English (Second Language), Second Language Learning
Download full textWay, 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
