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Download full textSamejima, Fumiko – 1998
Item response theory (IRT) has been adapted as the theoretical foundation of computerized adaptive testing (CAT) for several decades. In applying IRT to CAT, there are certain considerations that are essential, and yet tend to be neglected. These essential issues are addressed in this paper, and then several ways of eliminating noise and bias in…
Descriptors: Ability, Adaptive Testing, Estimation (Mathematics), Item Response Theory
