TY - CHAP T1 - Individualized testing on the basis of the Rasch model Y1 - 1980 A1 - Fischer, G. H. A1 - Pendl, P. CY - In J. Th. Van der Kamp, W. F. Langerak, and D. N. M. de Gruijter (Eds.). Psychometrics for educational debates. New York: Wiley. ER -