TABLE 3

Distribution of Full-Scale IQ Scores for Children With and Without SSC

ClassificationControl GroupCase Group
N%N%
Very superior (130+)1910.484.4
Superior (120–129)3318.2147.7
High average (110–119)4625.34424.2
Average (90–109)6636.38144.5
Low average (80–89)137.12614.3
Borderline (70–79)42.231.7
Extremely low (<69)10.663.3
Total182100182100