It makes no sense to me how she can have low processing speed and slow writing but reads so fast and fluently.
The processing speed subtests are calling on an entirely different combined set of skills than reading comprehension and fluency require. Depending on the subtest, processing speed is measuring how quickly a child can copy (coding requires fine motor and visual motor coordination, symbol search is more dependent on visual but also requires fine motor, both subtests are timed). Reading doesn't require any fine motor skill, and it's possible (especially when children are young) that acute vision isn't absolutely necessary either - some children read from context rather than word-for-word, so if they miss a word here or there they can still get the meaning of the passage from context.
blackcat, just my gut suspicion, but fwiw I'd suspect that your dd's slow handwriting is the issue that lowers her processing speed score. Slow handwriting doesn't necessarily have to be because of dysgraphia - there can be other causes, ranging from a desire to be neat to fine motor challenges. Has your dd ever had an OT eval for handwriting? It's possible that might give some insight into why it's slow for your dd.
polarbear
