Originally Posted by polarbear
The two tests are different, and I've always heard that the SB-5 is a better test for students who are (I think - I could be remembering this incorrectly) - stronger in non-verbal and visual-spatial etc areas.

Yes. I believe this can be a factor My son had the opposite - he did better on the wisc and he is much more gifted verbally and pretty weak in in non-verbal and visual-spatial areas. I prefer the wisc because a GAI can be calculated. Do you know what the WISC GAI was?