In an interesting study, researchers in France looked at the impact of spelling difficulty on the writing performance of students with dyslexia.
From the study:
“Dyslexia weakens spelling skills, even when the child presents no motor problems. By varying the degree of difficulty in words to spell, researchers were able to analyse the impact of spelling […]
“English A was ‘a disaster and French was like medieval torture. To sit down with a blank piece of paper and write was the most traumatic thing that had ever faced me in life. I had ideas in my head, but I could not get the stuff down. It was a crushing time.” – […]