You can figure his GAI using WISC Technical Report #4 . With the numbers you have, I'm getting 129, 97th percentile. For kids with lower supporting skills in WMI and PSI, the GAI can be helpful but b/c your ds has such high WMI & PSI, you'd probably want to stick with the higher FSIQ.

Last edited by Cricket2; 02/01/11 08:31 AM.