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Direct linkChang, Hua-Hua; Ying, Zhiliang – Psychometrika, 2008
It has been widely reported that in computerized adaptive testing some examinees may get much lower scores than they would normally if an alternative paper-and-pencil version were given. The main purpose of this investigation is to quantitatively reveal the cause for the underestimation phenomenon. The logistic models, including the 1PL, 2PL, and…
Descriptors: Adaptive Testing, Computer Assisted Testing, Computation, Test Items
