*B. Girnat (2017): Two Cognitive Diagnosis Models to Classifiy Pupils’ Algebraic Skills in Lower Secondary Schools. In: B. Kaur, W. K. Ho, T. L. Toh und B. H. Choy (Hrsg.): Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education, Band 2. Singapur: PME, S. 345 – 352. | *B. Girnat (2017): Two Cognitive Diagnosis Models to Classifiy Pupils’ Algebraic Skills in Lower Secondary Schools. In: B. Kaur, W. K. Ho, T. L. Toh und B. H. Choy (Hrsg.): Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education, Band 2. Singapur: PME, S. 345 – 352. |