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	Sviluppo di Scala per Test Adattivi Computerizzati	Computerized adaptive test item response theory
Campo	Psicometria	Psicometria
Famiglia	Latent structure	Latent structure
Anno di origine	1970s–1980s	1970s–1980s
Ideatore	Frederic Lord (IRT foundations); CAT systems developed at ETS and ACT in the 1970s–1980s	Lord, F. M.; further developed by Wainer, van der Linden, and others
Tipo	Measurement design and test construction	Adaptive measurement / sequential testing
Fonte seminale	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	Wainer, H. (Ed.). (2000). Computerized Adaptive Testing: A Primer (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805835113
Alias	CAT scale construction, adaptive test development, computerized adaptive testing scale design, CAT item bank development	CAT-IRT, adaptive testing, IRT-based CAT, computerized adaptive testing
Correlati	5	4
Sintesi	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.	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.