Salīdzināt metodes
Apskatiet izvēlētās metodes blakus; rindas, kas atšķiras, ir izceltas.
| Īso formu punktu teorija (SF-IRT)× | Diferenciālā vienumu funkcionēšana (DVF)× | |
|---|---|---|
| Nozare | Psihometrija | Psihometrija |
| Saime | Latent structure | Latent structure |
| Izcelsmes gads≠ | 1980s–2000s | 1970s–1993 |
| Autors≠ | Multiple contributors; IRT adapted to short-form contexts from Lord & Novick (1968) and subsequent applied psychometricians | William H. Angoff and colleagues (ETS); systematized by Holland & Wainer |
| Tips≠ | Latent trait / item calibration model | Item-level bias detection |
| Pirmavots≠ | Embretson, S. E. & Reise, S. P. (2000). Item Response Theory for Psychologists. Lawrence Erlbaum Associates. ISBN: 978-0805828191 | Holland, P. W. & Wainer, H. (Eds.) (1993). Differential Item Functioning. Lawrence Erlbaum Associates. ISBN: 978-0805809589 |
| Citi nosaukumi | SF-IRT, abbreviated scale IRT, short-form calibration, shortened instrument IRT | DIF, item bias analysis, measurement non-equivalence, item-level measurement bias |
| Saistītās≠ | 6 | 5 |
| Kopsavilkums≠ | 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. | Differential item functioning identifies test or survey items that behave differently for examinees from different groups — such as gender, ethnicity, or language background — after controlling for the underlying ability or trait being measured. DIF analysis is essential for fairness evaluation in educational testing and psychological scale development. |
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