My DD's WISC testing showed 4sd difference in her GAI and her Processing speed. Her GAI was 157 (or 170 with extended norms) but processing was 103.
This was a red flag for our Psych who then put us in contact with an ADHD specialist. He ran observations, looked at videos, filled out a million questionnaires and eventually dx her with severe ADHD. In hindsight, it was obvious. He didn't query the IQ scores discrepancy.
We now homeschool and she is medicated which has made a huge difference, but she still needs list, reminders, help with planning and organisation as well as intensive exercise daily. We can do intensive school work in the morning...lots of subjects for about 20-30 mins at a time which helps keep her focused.
