This series presents reports of a technical nature, such as those related to issues of multidimensional scaling or item response theory, conducted under the direction of the TOEFL® Committee of Examiners.
Reports are listed in reverse order of publication.
- A Study of the Use of Collateral Statistical Information in Attempting to Reduce TOEFL® IRT Item Parameter Estimation Sample Sizes
By K.L. Tang and D.R. Eignor (2001)
TOEFL Technical Report No. TR-17 - Using a New Statistical Model for Testlets to Score the TOEFL® Test
By H. Wainer and X. Wang (2001)
TOEFL Technical Report No. TR-16 - Strengthening the Ties that Bind: Improving the Linking Network in Sparsely Connected Rating Designs
By C.M. Myford and E.W. Wolfe (2000)
TOEFL Technical Report No. TR-15 - Graphical Models and Computerized Adaptive Testing
By R.G. Almond and R.J. Mislevy (1998)
TOEFL Technical Report No. TR-14 - Concurrent Calibration of Dichotomously and Polytomously Scored TOEFL® Items Using IRT Models
By L.K. Tang and D.R. Eignor (1997)
TOEFL Technical Report No. TR-13 - How Reliable Is the TOEFL® Test?
By H. Wainer and R. Lukhele (1997)
TOEFL Technical Report No. TR-12 - Using a Neural Net to Predict Item Difficulty
By R.F. Boldt and R.O. Freedle (1996)
TOEFL Technical Report No. TR-11 - Estimating the Effects of Test Length and Test Time on Parameter Estimation Using the HYBRID Model
By K. Yamamoto (1995)
TOEFL Technical Report No. TR-10 - Investigation of IRT-Based Assembly of the TOEFL® Test
By S. Chyn, K.L. Tang and W.D. Way (1994)
TOEFL Technical Report No. TR-09 - Simulated Equating Using Several Item Response Curves
By R.F. Boldt (1994)
TOEFL Technical Report No. TR-08 - The Effect of Small Calibration Sample Sizes on TOEFL® IRT-Based Equating
By L.K. Tang, W.D. Way and P.A. Carey (1993)
TOEFL Technical Report No. TR-07 - An Exploratory Study of Characteristics Related to IRT Item Parameter Invariance with the TOEFL® Test
By W.D. Way, P.A. Carey and M.L. Golub-Smith (1992)
TOEFL Technical Report No. TR-06 - The Feasibility of Modeling Secondary TOEFL® Ability Dimensions Using Multidimensional IRT Models
By R.L. McKinley and W.D. Way (1992)
TOEFL Technical Report No. TR-05 - Cross-Validation of a Proportional Item Response Curve Model
By R.F. Boldt (1991)
TOEFL Technical Report No. TR-04 - Development of Procedures for Resolving Irregularities in the Administration of the Listening Comprehension Section of the TOEFL® Test
By W.D. Way and R.L. McKinley (1991)
TOEFL Technical Report No. TR-03 - An Investigation of the Use of Simplified IRT Models for Scaling and Equating the TOEFL® Test
By C.M. Reese and W.D. Way (1990)
TOEFL Technical Report No. TR-02 - Developing Homogeneous TOEFL® Scales by Multidimensional Scaling
By P.K. Oltman and L.J. Stricker (1989)
TOEFL Technical Report No. TR-01
