Table 7 First IQ score by test type: Controls only
| Â | First test | WPPSI-R v WISC-III | |||
|---|---|---|---|---|---|
| Â | WAIS-R (n = 9) | WPPSI-R (n = 87) | WISC-III (n = 215) | Difference in IQ | t-test p-value |
FSIQ (mean) (std dev) | 104.00 (13.6) n = 9 | 109.75 (14.0) n = 84 | 102.60 (13.6) n = 214 | 7.15 | < 0.0001 |
VIQ (mean) (std dev) | 100.33 (14.7) n = 9 | 106.08 (13.6) n = 84 | 102.30 (14.0) n = 215 | 3.79 | 0.04 |
PIQ (mean) (std dev) | 108.33 (13.4) n = 9 | 111.17 (14.6) n = 87 | 102.43 (14.3) n = 214 | 8.74 | < 0.0001 |