Chay, thanks for the feedback. I never would have thought of something like this.

I don't get this sense about him, although I don't know anything about processing speed except what you've mentioned above. His favorite way to study spelling words is for me to time him. He constantly wants to beat his best time.

I don't think he likes to write, but it doesn't seem to be a struggle. At least, not that I can tell at this point.