1. A goodness of fit test for the RASCH model;Andersen;Psychometrica,1973
2. The effects of training in the proportional reasoning associated with the concept of speed;Boulanger;Journal of Research in Science Teaching,1976
3. An algorithm and a FORTRAN program for estimating the item parameters of the linear logistic test model;Fischer,1972
4. The linear logistic test model as an instrument in educational research;Fischer;Acta Psychologica,1973
5. Einführung in die Theorie psychologischer Tests;Fischer,1974