Dysgraphia is highly prevalent in children with attention deficit hyperactivity disorder (ADHD) and adversely affects academic and developmental trajectories. To date, no study has rigorously examined the effects of a training program on handwriting quality in this specific population. Our objective was thus to develop an innovative program – we entitled PRO-PEN – and to evaluate its effects. We planned a multiple-baseline design across participants from grade 3-5, with direct inter-subject and…
