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. 2018 Jul 24;49(1):138–150. doi: 10.1007/s10803-018-3689-4

Table 2.

Intelligence quotient from Weschler scales

AS HFA Raw p value Adjusted p value Difference AS-HFA (95% CI) t test (df)
Mean (SD) Mean (SD)
Full scale intelligent quotient (FSIQ) 114.1 (15.9) 92.1 (14.5) < 0.0001 < 0.0001 22.04 (17.08–26.99) 8.78 (147)
WISC-IV
 Verbal comprehension index (VCI) 122.0 (16.4) 96.1 (18.8) < 0.0001 < 0.0001 25.94 (17.19–34.69) 5.92 (66)
 Perceptual reasoning index (PRI) 117.5 (14.8) 93.5 (13.7) < 0.0001 0.0002 23.95 (16.67–31.23) 6.57 (67)
 Working memory index (WMI) 103 (17.4) 84.5 (14.8) < 0.0001 < 0.0001 18.56 (10.1–27.03) 4.38 (64)
 Processing speed index (PSI) 94.3 (17.1) 82.5 (10.9) 0.0017 0.0017 11.77 (4.55–18.98) 3.25 (77)
WISC-III
 Verbal intelligent quotient (VIQ) 112.7 (16.1) 93.4 (16.4) < 0.0001 < 0.0001 19.31 (10.47–28.14) 4.38 (54)
 Performance intelligent quotient (PIQ) 109.2 (15.7) 91.9 (16.7) 0.0002 < 0.0001 17.26 (8.68–25.84) 4.03 (56)

AS Asperger syndrome, HFA high functioning autism, CI confidence interval, df degree of freedom