Literaturnachweis - Detailanzeige
Autor/inn/en | Mislevy, Robert J.; Sheehan, Kathleen M. |
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Titel | Information Matrices in Latent-Variable Models. |
Quelle | In: Journal of Educational Statistics, 14 (1989) 4, S.335-50 |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Equations (Mathematics); Item Response Theory; Mathematical Models; Matrices |
Abstract | The structure of information matrices in latent-variable models is explicated, and the degree to which missing information can be recovered by exploring collateral variables for respondents is characterized. Results are illustrated in the context of item-response-theory models, and practical implications are discussed. (SLD) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |