How do students develop lexical means for understanding the concept of relative frequency? Empirical insights on the basis of trace analyses
L. Wessel, in: T. Dooley, G. Gueudet (Eds.), Proceedings of the Tenth Congress of the European Society for Research in Mathematics Education (CERM, February 1 – 5, 2017), DCU Institute of Education and ERME., Dublin, Ireland, 2017, pp. 1388–1395.