%0 Journal Article %J Educational and Psychological Measurement %D 1997 %T The effect of population distribution and methods of theta estimation on computerized adaptive testing (CAT) using the rating scale model %A Chen, S. %A Hou, L. %A Fitzpatrick, S. J. %A Dodd, B. %B Educational and Psychological Measurement %V 57 %P 422-439 %G eng