@inbook {1925, title = {Cross-validating item parameter estimation in adaptive testing}, year = {2000}, address = {A. Boorsma, M. A. J. van Duijn, and T. A. B. Snijders (Eds.) (pp. 205-219), Essays on item response theory. New York: Springer.}, author = {van der Linden, W. J. and Glas, C. A. W.} }