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| Teoria generalizowalności w formie skróconej× | Krótka teoria odpowiedzi na pozycje (SF-IRT)× | |
|---|---|---|
| Dziedzina | Psychometria | Psychometria |
| Rodzina | Latent structure | Latent structure |
| Rok powstania≠ | 1963–1972 (G-theory); short-form extension ongoing from 1980s | 1980s–2000s |
| Twórca≠ | Lee J. Cronbach, Goldine Gleser, Harinder Nanda, Nageswari Rajaratnam | Multiple contributors; IRT adapted to short-form contexts from Lord & Novick (1968) and subsequent applied psychometricians |
| Typ≠ | Reliability / decision-study framework | Latent trait / item calibration model |
| Źródło pierwotne≠ | Brennan, R. L. (2001). Generalizability Theory. Springer. ISBN: 978-0387952826 | Embretson, S. E. & Reise, S. P. (2000). Item Response Theory for Psychologists. Lawrence Erlbaum Associates. ISBN: 978-0805828191 |
| Inne nazwy | G-theory for abbreviated scales, short-form G-study, abbreviated test generalizability, short-form D-study | SF-IRT, abbreviated scale IRT, short-form calibration, shortened instrument IRT |
| Pokrewne≠ | 5 | 6 |
| Podsumowanie≠ | Short form generalizability theory applies the G-theory variance-component framework to abbreviated measurement instruments, using G-studies and D-studies to estimate how many items a short scale must retain to achieve a desired reliability and to evaluate the accuracy of decisions made with a condensed instrument. | Short-form item response theory applies IRT calibration and scoring to abbreviated or shortened psychological scales. It uses item information functions to guide which items to retain from a full-length instrument, then estimates latent trait scores from the reduced item set while preserving psychometric rigor and linkage to the full-scale metric. |
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