I calculated and got his GAI as 148 which is 99.9 percntile so yes it is a huge difference and means a lot I think. I would ask for it to be included. My dd's processing and working memory are much lower- 2 standard deviations each, from her other scores and it takes her FSIQ from 144 to a GAI of 160. My tester emailed me this but it is not in my report so I will be requesting that it is added because I feel it is so significantly different and that it gives a truer picture of DD's giftedness.

DD6- DYS
Homeschooling on a remote island at the edge of the world.