方法对比
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| 计算机化自适应测验 (CAT) 量表开发× | 差异项目功能 (DIF)× | |
|---|---|---|
| 领域 | 心理测量学 | 心理测量学 |
| 方法族 | Latent structure | Latent structure |
| 起源年份≠ | 1970s–1980s | 1970s–1993 |
| 提出者≠ | Frederic Lord (IRT foundations); CAT systems developed at ETS and ACT in the 1970s–1980s | William H. Angoff and colleagues (ETS); systematized by Holland & Wainer |
| 类型≠ | Measurement design and test construction | Item-level bias detection |
| 开创性文献≠ | Wainer, H., Dorans, N. J., Flaugher, R., Green, B. F., Mislevy, R. J., Steinberg, L., & Thissen, D. (2000). Computerized Adaptive Testing: A Primer (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805835113 | Holland, P. W. & Wainer, H. (Eds.) (1993). Differential Item Functioning. Lawrence Erlbaum Associates. ISBN: 978-0805809589 |
| 别名 | CAT scale construction, adaptive test development, computerized adaptive testing scale design, CAT item bank development | DIF, item bias analysis, measurement non-equivalence, item-level measurement bias |
| 相关 | 5 | 5 |
| 摘要≠ | Computerized adaptive test (CAT) scale development is the process of constructing, calibrating, and validating a large item bank such that the assessment algorithm can select items tailored to each examinee's estimated ability or trait level in real time. The result is a measurement instrument that achieves high precision with fewer items than a conventional fixed-form test. | 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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