![Changing representation in contextual mathematical problems from descriptive to depictive: The effect on students’ performance]()
Changing representation in contextual mathematical problems from descriptive to depictive: The effect on students’ performanceHoogland, Kees; de Koning, Jaap; Bakker, Arthur; Pepin, Birgit E.U.; Gravemeijer, Koeno · Studies in Educational Evaluation · 2018