Handwriting and spelling problems are often associated in dyslexia. However, the nature of their association is still unclear, and most of the existing research in this area is on deep orthographies (mainly English). The extent to which findings are applicable across languages is uncertain. This article examines the effects of script…

The aim of the present study was to investigate the associations between elementary school children's mathematical achievement and their conservation abilities, visuospatial skills, and numerosity processing speed. We also assessed differences in these abilities between children with different types of learning problems. In Study 1 (N = 229), we…

In the rebuttal to charges made by Nathan Flax, an optometrist, regarding the joint organizational statement of three medical associations concerning treatment of dyslexia and related learning disabilities, the author discusses the five controversial points and largely reaffirms the statement's conclusions. (MC)