The quandary of diagnosing mathematical difficulties in a generally low performing population
The quandary of diagnosing mathematical difficulties in a generally low performing population
Brazilian students' mathematical achievement was repeatedly observed to fall below average levels of mathematical attainment in international studies such as PISA.In this article, we argue that this general low level of mathematical attainment may interfere with the diagnosis of developmental dyscalculia when a psychometric criterion is used establishing an arbitrary …