%0 Journal Article %J Educational Technology %D 1998 %T Computerized adaptive testing: What it is and how it works %A Straetmans, G. J. J. M. %A Theo Eggen %X Describes the workings of computerized adaptive testing (CAT). Focuses on the key concept of information and then discusses two important components of a CAT system: the calibrated item bank and the testing algorithm. Describes a CAT that was designed for making placement decisions on the basis of two typical test administrations and notes the most significant differences between traditional paper-based testing and CAT. (AEF) %B Educational Technology %V 38 %P 45-52 %G eng %M EJ559835