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Download full textAckerman, Terry A.; Davey, Tim C. – 1991
An adaptive test can usually match or exceed the measurement precision of conventional tests several times its length. This increased efficiency is not without costs, however, as the models underlying adaptive testing make strong assumptions about examinees and items. Most troublesome is the assumption that item pools are unidimensional. Truly…
Descriptors: Ability, Adaptive Testing, Computer Assisted Testing, Equations (Mathematics)
