GAI Levels in WISC testing

[Anonymous]

Does anyone any kind of benchmark for GAI (General Ability Index) as part of the WISC. My son scored 94% but looking at some of the numbers and posts on this website, that does not seem as good as I initially thought . HIs Verbal IQ was 124 but the total brought down by poor working memory score. He did not get great NNAT and I am still anxiously awaiting the CoGat. Our school rep stated this years GBRS are not available to review.

[Anonymous]

Anonymous wrote:Does anyone any kind of benchmark for GAI (General Ability Index) as part of the WISC. My son scored 94% but looking at some of the numbers and posts on this website, that does not seem as good as I initially thought . HIs Verbal IQ was 124 but the total brought down by poor working memory score. He did not get great NNAT and I am still anxiously awaiting the CoGat. Our school rep stated this years GBRS are not available to review.

GAI doesn't include Working Memory. Are you talking about his FSIQ being 94% or his GAI?

[Anonymous]

GAI was 94% His FSIQ was brought down by a poor working memory and processing speed.

[Anonymous]

Anonymous wrote:Does anyone any kind of benchmark for GAI (General Ability Index) as part of the WISC.

http://images.pearsonclinical.com/images/assets/WISC-IV/80720_WISCIV_Hr_r4.pdf

[Anonymous]

Thank you

[Anonymous]

BTW Does anyone have experience applying with a GAI score? If so any feedback on results? My oldest tested into the pool so did not have to go through all of this

[Anonymous]

Anonymous wrote:BTW Does anyone have experience applying with a GAI score? If so any feedback on results? My oldest tested into the pool so did not have to go through all of this

Based on the numbers you see at DCUM, a 123 GAI (with presumably a lower FSIQ) is going to be difficult unless you have a higher COGAT and/or a very high GBRS. FWIW, my daughter has a 129 FSIQ (131 verbal) with a pretty low NNAT (unknown COGAT and unknown but likely fairly high GBRS) and I feel like she is maybe 50-50 to get in.

[Anonymous]

A good proxy for the GAI benchmark would be the benchmark for CoGAT or NNAT, which is likely around 132.

Not a perfect comparison, but the 123 is lower than would be terribly competitive. However, a subscore in PRI or VCI that is about 135ish could be of interest to the committee.

[Anonymous]

Unless the GAI will change the score by more than 7 points, the GAI will not be of help. It has to be statistically significant, which is considered above a 7 point amount from the FSIQ.