TY - JOUR T1 - A Comparison of Four Methods for Obtaining Information Functions for Scores From Computerized Adaptive Tests With Normally Distributed Item Difficulties and Discriminations JF - Journal of Computerized Adaptive Testing Y1 - 2013 A1 - Ito, K. A1 - Segall, D.O. VL - 1 IS - 5 ER - TY - CHAP T1 - An evaluation of a new procedure for computing information functions for Bayesian scores from computerized adaptive tests Y1 - 2009 A1 - Ito, K. A1 - Pommerich, M A1 - Segall, D. CY - D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. N1 - {PDF file, 571 KB} ER - TY - CONF T1 - Estimation of item difficulty from restricted CAT calibration samples T2 - Paper presented at the annual conference of the National Council on Measurement in Education in San Francisco. Y1 - 1995 A1 - Sykes, R. A1 - Ito, K. JF - Paper presented at the annual conference of the National Council on Measurement in Education in San Francisco. ER - TY - CONF T1 - The effect of restricting ability distributions in the estimation of item difficulties: Implications for a CAT implementation T2 - Paper presented at the annual meeting of the National Council on Measurement in Education Y1 - 1994 A1 - Ito, K. A1 - Sykes, R.C. JF - Paper presented at the annual meeting of the National Council on Measurement in Education CY - New Orleans ER -