Originally Posted by hkc75
Is there a way to calculate the GAI if you do not have the subtests? Unfortunately I only have a few of the subtests and my son struggles so much with writing that doing a retest is probably out of the question. His psychologist suggested a retest to get a better assessment.

Correct me if I'm wrong, but I don't think there is much writing involved in the VCI and PRI subtests of the WISC-IV.