Self-diagnosis activities require students to self-diagnose their solutions to problems they solved on their own by detecting and explaining their errors. Worked examples, a step-by-step demonstration of how to solve a problem, are often used to support students in self-diagnosis activities. However, studies indicate that students often fail to…

Various studies suggest that French students (grades 7 to 10) may solve geometric problems within a paradigmatic framework that differs from that assumed by teachers, a situation prone to misunderstandings. In this paper, we study the extent to which secondary school teachers recognise the conflicting paradigms and how they handle the geometric…

Examined aspects of dyslexia as they became apparent during the construction of geometrical figures by one student as described by another, one of whom had dyslexic symptoms. Found that both dyslexic and non-dyslexic children encountered many communication problems, but that directional confusion of dyslexic students was one of the major…