Descriptor
| Chi Square | 1 |
| Comparative Analysis | 1 |
| Identification | 1 |
| Item Bias | 1 |
| Item Response Theory | 1 |
| Simulation | 1 |
| Statistical Studies | 1 |
| Test Items | 1 |
| True Scores | 1 |
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| Applied Psychological… | 1 |
Author
| Cohen, Allan S. | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedCohen, Allan S.; And Others – Applied Psychological Measurement, 1993
Three measures of differential item functioning for the dichotomous response model are extended to include Samejima's graded response model. Two are based on area differences between item true score functions, and one is a chi-square statistic for comparing differences in item parameters. (SLD)
Descriptors: Chi Square, Comparative Analysis, Identification, Item Bias
