方法对比
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| 计算机化自适应测验可推广性理论× | 基于项目反应理论的计算机自适应测试 (CAT-IRT)× | |
|---|---|---|
| 领域 | 心理测量学 | 心理测量学 |
| 方法族 | Latent structure | Latent structure |
| 起源年份≠ | 1972 (G-theory); CAT application 1990s–2000s | 1970s–1980s |
| 提出者≠ | Lee J. Cronbach (G-theory); applied to CAT by Brennan and others | Lord, F. M.; further developed by Wainer, van der Linden, and others |
| 类型≠ | Reliability / generalizability analysis | Adaptive measurement / sequential testing |
| 开创性文献≠ | Brennan, R. L. (2001). Generalizability Theory. Springer. ISBN: 978-0387952826 | Wainer, H. (Ed.). (2000). Computerized Adaptive Testing: A Primer (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805835113 |
| 别名 | CAT G-theory, adaptive test generalizability, G-theory in CAT, computerized adaptive generalizability analysis | CAT-IRT, adaptive testing, IRT-based CAT, computerized adaptive testing |
| 相关≠ | 6 | 4 |
| 摘要≠ | Generalizability theory (G-theory) applied to computerized adaptive testing (CAT) evaluates the dependability of adaptive test scores by decomposing score variance across measurement facets such as persons, items, and occasions. Unlike classical test theory, G-theory quantifies multiple simultaneous sources of measurement error, offering a richer reliability picture for adaptively administered assessments. | Computerized adaptive testing based on item response theory is a sequential measurement procedure in which a computer algorithm selects successive test items tailored to each examinee's estimated ability level. Drawing on IRT to model item characteristics and ability estimation, CAT delivers precise scores with far fewer items than fixed-length tests, making it efficient for high-stakes assessments, clinical screening, and large-scale surveys. |
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