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اختبار تكيّفي محوسب أوميغا ماكدونالد×تحليل موثوقية الاختبار التكيفي المحوسب×
المجالالقياس النفسيالقياس النفسي
العائلةLatent structureLatent structure
سنة النشأة1999 (omega); CAT application 2000s–2010s1970s–1980s
صاحب الطريقةRoderick P. McDonald (omega); CAT-omega application extended by IRT and psychometric reliability researchersDavid J. Weiss and IRT psychometricians
النوعReliability coefficient for adaptive testsReliability estimation under adaptive testing
المصدر التأسيسيMcDonald, R. P. (1999). Test Theory: A Unified Treatment. Lawrence Erlbaum Associates. ISBN: 978-0805830408Weiss, D. J. (1984). Application of computerized adaptive testing to educational problems. Journal of Educational Measurement, 21(4), 361–375. DOI ↗
الأسماء البديلةCAT omega reliability, omega in adaptive testing, hierarchical omega for CAT, CAT composite reliabilityCAT reliability, adaptive test reliability, IRT-based reliability estimation, marginal reliability in CAT
ذات صلة54
الملخصMcDonald'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.
ScholarGateمجموعة البيانات
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  2. 2 المصادر
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  1. v1
  2. 2 المصادر
  3. PUBLISHED

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ScholarGateقارن الطرق: CAT McDonald's Omega · Computerized adaptive test reliability analysis. استُرجع بتاريخ 2026-06-17 من https://scholargate.app/ar/compare