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Download full textHaberman, Shelby J. – ETS Research Report Series, 2007
In item-response theory, if a latent-structure model has an ability variable, then elementary information theory may be employed to provide a criterion for evaluation of the information the test provides concerning ability. This criterion may be considered even in cases in which the latent-structure model is not valid, although interpretation of…
Descriptors: Item Response Theory, Ability, Information Theory, Computation
