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| Komjuterizovani adaptivni test Mekdonaldova omega× | Analiza pouzdanosti kompjuterizovanog adaptivnog testa× | |
|---|---|---|
| Oblast | Psihometrija | Psihometrija |
| Porodica | Latent structure | Latent structure |
| Godina nastanka≠ | 1999 (omega); CAT application 2000s–2010s | 1970s–1980s |
| Tvorac≠ | Roderick P. McDonald (omega); CAT-omega application extended by IRT and psychometric reliability researchers | David J. Weiss and IRT psychometricians |
| Tip≠ | Reliability coefficient for adaptive tests | Reliability estimation under adaptive testing |
| Temeljni izvor≠ | McDonald, R. P. (1999). Test Theory: A Unified Treatment. Lawrence Erlbaum Associates. ISBN: 978-0805830408 | Weiss, D. J. (1984). Application of computerized adaptive testing to educational problems. Journal of Educational Measurement, 21(4), 361–375. DOI ↗ |
| Drugi nazivi | CAT omega reliability, omega in adaptive testing, hierarchical omega for CAT, CAT composite reliability | CAT reliability, adaptive test reliability, IRT-based reliability estimation, marginal reliability in CAT |
| Srodne≠ | 5 | 4 |
| Sažetak≠ | McDonald's omega adapted for computerized adaptive testing (CAT) quantifies the reliability of ability or trait estimates when different examinees answer different subsets of items. Unlike Cronbach's alpha, omega is grounded in a factor model, making it suitable for the heterogeneous item pools and variable test lengths that characterize adaptive administrations. | CAT reliability analysis quantifies measurement precision in computerized adaptive tests where each examinee receives a unique, individually tailored subset of items. Rather than a single classical coefficient, it uses item response theory to express precision as conditional standard error of measurement at each ability level, and marginal reliability as a global summary across the ability distribution. |
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