Table 2.
Mean (SD) of WISC-IV Short-Form Scores and formulas.
| Intellectually gifted children (n = 117) | Typical children (n = 52) | dSa | Statistical formulasa | |||||
|---|---|---|---|---|---|---|---|---|
| Short Form | M (SD) | Skew | Kurt | M (SD) | Skew | Kurt | ||
| 2 Subtests | ||||||||
| SiMr | 132.77 (9.48) | −0.04 | −0.56 | 109.72 (8.16) | −0.32 | 0.15 | 2.533** | 3.01 × (Si+Mr) + 39.81 |
| SiPc | 135.03 (8.83) | −0.34 | −0.06 | 105.87 (7.95) | −0.01 | −0.77 | 3.402** | 3.05 × (Si+Pc) + 38.92 |
| SiBd | 132.12 (9.45) | 0.16 | −0.02 | 107.03 (10.16) | −0.24 | −0.21 | 2.594** | 3.02 × (Si+Bd) + 39.59 |
| VoMr | 130.47 (9.56) | −0.28 | 0.06 | 109.00 (7.39) | −0.58 | 0.30 | 2.400** | 3.00 × (Vo+Mr) + 40.02 |
| VoPc | 132.69 (8.89) | −0.23 | −0.40 | 105.15 (9.05) | −0.15 | 0.16 | 3.081** | 3.04 × (Vo+Pc) + 39.14 |
| VoBd | 130.48 (9.93) | −0.04 | 0.31 | 106.45 (9.27) | 0.13 | −0.36 | 2.469** | 3.08 × (Vo+Bd) + 38.45 |
| CoMr | 129.22 (10.27) | 0.20 | −0.22 | 107.27 (8.81) | −0.62 | 0.53 | 2.229** | 3.13 × (Co+Mr) + 37.50 |
| CoPc | 130.92 (10.93) | −0.18 | −0.04 | 103.17 (8.71) | −0.54 | −0.27 | 2.693** | 3.11 × (Co+Pc) + 37.74 |
| CoBd | 129.23 (11.97) | 0.29 | −0.47 | 104.57 (9.01) | −0.11 | −0.25 | 2.212** | 3.21 × (Co+Bd) + 35.72 |
| 4 Subtests | ||||||||
| SiVoMrPc | 136.05 (7.83) | −0.16 | −0.10 | 108.21 (7.21) | −0.23 | −0.82 | 3.643** | 1.67 × (Si+Vo+Mr+Pc) + 33.33 |
| SiVoMrBd | 134.54 (8.08) | 0.09 | −0.35 | 108.85 (7.87) | −0.46 | −0.53 | 3.206** | 1.66 × (Si+Vo+Mr+Bd) + 33.55 |
| SiVoPcBd | 136.40 (7.40) | 0.17 | −0.06 | 106.84 (7.74) | −0.34 | −0.88 | 3.939** | 1.70 × (Si+Vo+Pc+Bd) + 31.88 |
| SiCoMrPc | 135.92 (8.42) | 0.12 | −0.10 | 107.33 (6.36) | −0.52 | −0.50 | 3.641** | 1.73 × (Si+Co+Mr+Pc) + 30.99 |
| SiCoMrBd | 134.56 (8.67) | 0.22 | −0.45 | 108.05 (7.15) | −0.48 | −0.69 | 3.220** | 1.73 × (Si+Co+Mr+Bd) + 30.83 |
| SiCoPcBd | 136.31 (8.55) | −0.02 | −0.29 | 105.91 (6.22) | −0.75 | −0.08 | 3.841** | 1.77 × (SI+Co+Pc+Bd) + 29.38 |
| VoCoMrPc | 134.50 (8.73) | 0.09 | −0.32 | 106.90 (6.57) | −0.62 | 0.23 | 3.394** | 1.72 × (Vo+Co+Mr+Pc) + 31.32 |
| VoCoMrBd | 133.38 (9.10) | 0.40 | −0.42 | 107.67 (6.44) | −0.58 | −0.66 | 3.068** | 1.73 × (Vo+Co+Mr+Bd) + 30.66 |
| VoCoPcBd | 135.11 (9.01) | 0.12 | −0.39 | 105.51 (6.26) | −0.72 | 0.72 | 3.581** | 1.77 × (Vo+Co+Pc+Bd) + 29.20 |