%0 Journal Article %J Journal of Computerized Adaptive Testing %D 2013 %T A Comparison of Four Methods for Obtaining Information Functions for Scores From Computerized Adaptive Tests With Normally Distributed Item Difficulties and Discriminations %A Ito, K. %A Segall, D.O. %B Journal of Computerized Adaptive Testing %V 1 %P 88-107 %G Engllish %N 5 %R 10.7333/1312-0105088