Gifted Issues Discussion homepage Forums Identification, Testing & Assessment WISC-IV question about FSIQ and GAI

Aeh,

Full-scale IQ and GAI are sufficient alone to calculate one's CPI.

I used the following artificial formula: FSIQ = GAI x 0.6 + CPI x 0.4

Cbls,

I'm sorry but I do not understand those scores; what do the 44, 50, 25, and 27 stand for? It would be extremely helpful if you could list his subtest scaled scores too (they range from 1 to 19, with a mean of 10 and a S.D. of 3).

EDIT: Clbs, I think now that the scores that you listed are the sum of scaled scores for each index.

According to the information you provided, his actual FSIQ is 135, with a GAI of 143. Perhaps the psychologist made a mistake in computing his scores?