Differential Item Functioning [electronic resource] : An Applied Comparison of the Item Characteristic Curve Method with the Logistic Discriminant Function Method / Nancy Holweger and Timothy Weston.
This study compares logistic discriminant function analysis for differential item functioning (DIF) with a technique for the detection of DIF that is based on item response theory rather than the Mantel-Haenszel procedure. In this study, the areas between the two item characteristic curves, also cal...
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| Format: | Electronic eBook |
| Language: | English |
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[S.l.] :
Distributed by ERIC Clearinghouse,
1998.
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| 100 | 1 | |a Holweger, Nancy. | |
| 245 | 1 | 0 | |a Differential Item Functioning |h [electronic resource] : |b An Applied Comparison of the Item Characteristic Curve Method with the Logistic Discriminant Function Method / |c Nancy Holweger and Timothy Weston. |
| 260 | |a [S.l.] : |b Distributed by ERIC Clearinghouse, |c 1998. | ||
| 300 | |a 43 p. | ||
| 500 | |a ERIC Document Number: ED422362. | ||
| 520 | |a This study compares logistic discriminant function analysis for differential item functioning (DIF) with a technique for the detection of DIF that is based on item response theory rather than the Mantel-Haenszel procedure. In this study, the areas between the two item characteristic curves, also called the item characteristic curve method is compared with the logistic discriminant function analysis method for each item and the entire test. Data from a state-level performance-based assessment program for approximately 16,000 examinees are used. Substantial differences are found between the items identified as having DIF using the item characteristic curve method and the logistic discriminant function method. Possible reasons for these differences are discussed. Since a clear determination about the best method to determine DIF is not apparent, manufactured data should be used in a Monte Carlo study to eliminate design aspects of the assessment that confused these results. Appendixes contain plots of item characteristic curves and illustrative figures. (Contains 7 plots, 7 figures, and 13 references.)(SLD) | ||
| 650 | 1 | 7 | |a Item Bias. |2 ericd. |
| 650 | 0 | 7 | |a Item Response Theory. |2 ericd. |
| 650 | 0 | 7 | |a Performance Based Assessment. |2 ericd. |
| 650 | 0 | 7 | |a State Programs. |2 ericd. |
| 650 | 1 | 7 | |a Test Items. |2 ericd. |
| 650 | 0 | 7 | |a Testing Programs. |2 ericd. |
| 700 | 1 | |a Weston, Timothy. | |
| 710 | 2 | |a University of Colorado Boulder. | |
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