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| ラッシュモデルを用いたコンピュータ適応型テスト（CAT-Rasch）× | 項目応答理論 (IRT)× | |
|---|---|---|
| 分野 | 心理測定学 | 心理測定学 |
| 系統 | Latent structure | Latent structure |
| 提唱年≠ | 1960 (Rasch model); CAT integration from 1970s onward | 1952–1968 |
| 提唱者≠ | Georg Rasch (measurement model); adaptive testing formalized by Wainer, van der Linden, and others | Frederic M. Lord (and Allan Birnbaum for the 2PL/3PL models) |
| 種類≠ | Adaptive psychometric measurement | Probabilistic measurement model |
| 原典≠ | Wainer, H. (Ed.). (2000). Computerized Adaptive Testing: A Primer (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805835113 | Lord, F. M. & Novick, M. R. (1968). Statistical Theories of Mental Test Scores. Addison-Wesley. link ↗ |
| 別名 | CAT-Rasch, Rasch-based CAT, adaptive Rasch testing, computerized adaptive measurement | IRT, latent trait theory, item characteristic curve theory, modern test theory |
| 関連 | 5 | 5 |
| 概要≠ | Computerized adaptive testing with the Rasch model selects items in real time based on each examinee's evolving ability estimate, so that every person receives a test precisely calibrated to their proficiency level. The result is a shorter, more efficient measurement instrument that loses none of the precision of a full-length fixed-form test. | Item response theory models the probability that a respondent answers an item correctly (or endorses it) as a function of the respondent's latent trait level and the item's own statistical properties — difficulty, discrimination, and guessing. Unlike classical test theory, IRT places persons and items on the same scale, yielding measurement that is sample-independent for items and test-independent for persons. |
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