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`!Computer-adaptive sequential testing`! (`!CAST`!) is another term for `F33f`_`[multistage testing`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Multistage_testing]`_`f. A CAST test is a type of `F33f`_`[computer-adaptive test`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Computer-adaptive_test]`_`f or `F33f`_`[computerized classification test`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Computerized_classification_test]`_`f that uses pre-defined groups of items called `*`F33f`_`[testlets`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Testlet]`_`f`* rather than operating at the level of individual items.`:cite-ref-1[`F5bf`_`[1`#cite-note-1]`_`f] CAST is a term introduced by `F33f`_`[psychometricians`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Psychometrics]`_`f working for the `F33f`_`[National Board of Medical Examiners`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=National_Board_of_Medical_Examiners]`_`f.`:cite-ref-2[`F5bf`_`[2`#cite-note-2]`_`f] In CAST, the testlets are referred to as `*panels`*.

>>References

`:cite-note-1`!1.`! `F0af`_`[↑`#cite-ref-1]`_`f `:citerefluecht2005`aLuecht, R.M. (2005). "Some useful cost-benefit criteria for evaluating computer-based test delivery models and systems" (PDF). `*Journal of Applied Testing Technology`*. `!7`! (2). Archived from the original (PDF) on 2006-09-27. Retrieved 2006-12-01.

`:cite-note-2`!2.`! `F0af`_`[↑`#cite-ref-2]`_`f `:citerefluechtnungester1998`aLuecht, R. M.; Nungester, R. J. (1998). "Some practical examples of computer-adaptive sequential testing". `*Journal of Educational Measurement`*. `!35`!: 229–249. `F33f`_`[doi`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Doi_(identifier)]`_`f:10.1111/j.1745-3984.1998.tb00537.x.

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