Computer-adaptive sequential testing (CAST) is another term for
multistage testing
Multistage testing is an algorithm-based approach to administering tests. It is very similar to computer-adaptive testing in that items are interactively selected for each examinee by the algorithm, but rather than selecting individual items, group ...
. A CAST test is a type of
computer-adaptive test or
computerized classification test A computerized classification test (CCT) refers to, as its name would suggest, a test that is administered by computer for the purpose of classifying examinees. The most common CCT is a mastery test where the test classifies examinees as "Pass" or ...
that uses pre-defined groups of items called ''
testlets'' rather than operating at the level of individual items. CAST is a term introduced by
psychometricians working for the National Board of Medical Examiners.
[Luecht, R. M. & Nungester, R. J. (1998). Some practical examples of computer-adaptive sequential testing. Journal of Educational Measurement, 35, 229–249.] In CAST, the testlets are referred to as ''panels''.
References
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Psychometrics