%0 Book Section %B Objective measurement: Theory into practice %D 1994 %T The equivalence of Rasch item calibrations and ability estimates across modes of administration %A Bergstrom, Betty A. %A Lunz, M. E. %K computerized adaptive testing %B Objective measurement: Theory into practice %I Ablex Publishing Co. %C Norwood, N.J. USA %V 2 %P 122-128 %G eng