%0 Conference Paper %B Paper presented at the annual meeting of the National Council on Measurement in Education %D 2001 %T An investigation of the impact of items that exhibit mild DIF on ability estimation in CAT %A Jennings, J. A. %A Dodd, B. G. %A Fitzpatrick, S. %B Paper presented at the annual meeting of the National Council on Measurement in Education %C Seattle WA %G eng