Earline,
There are a couple of misconceptions here. First, you suggest that the student has been "tested" for ADHD, rather than assessed. Tested suggests a kind of exactness that just doesn't exist here (as shown by your suggestion that the doctor has concluded the "specificity of medications"). This is not an exact science.. There are no scientific tests (like a blood test) that will tell us specifically what dose of medication will correct the difficulty. Indeed, with ADHD, the meds aren't meant to fix (cure) the problem, only to help control the symptoms. More, there is no way to tell… >>>