Descriptor
| Ability | 1 |
| Error of Measurement | 1 |
| Estimation (Mathematics) | 1 |
| Factor Analysis | 1 |
| Item Response Theory | 1 |
| Psychometrics | 1 |
| Scores | 1 |
| Test Theory | 1 |
Author
| Ferrando, Pere J. | 1 |
| Lorenzo, Urbano | 1 |
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| Journal Articles | 1 |
| Reports - Evaluative | 1 |
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Peer reviewedFerrando, Pere J.; Lorenzo, Urbano – Educational and Psychological Measurement, 1998
A program for obtaining ability estimates and their standard errors under a variety of psychometric models is documented. The general models considered are (1) classical test theory; (2) item factor analysis for continuous censored responses; and (3) unidimensional and multidimensional item response theory graded response models. (SLD)
Descriptors: Ability, Error of Measurement, Estimation (Mathematics), Factor Analysis
