@inbook {25, title = {The equivalence of Rasch item calibrations and ability estimates across modes of administration}, booktitle = {Objective measurement: Theory into practice}, volume = {2}, year = {1994}, pages = {122-128}, publisher = {Ablex Publishing Co.}, organization = {Ablex Publishing Co.}, address = {Norwood, N.J. USA}, keywords = {computerized adaptive testing}, author = {Bergstrom, Betty A. and Lunz, M. E.} }