Estimated norm:
| Raw score | IQ (SD = 15) | 95% CI |
|---|---|---|
| 4 | 108 | |
| 8 | 127 | |
| 12 | 135 | |
| 16 | 141 | |
| 20 | 149 | |
| 24 | 156 | |
| 28 | 168 | |
| 32 | 177 | |
| 36 | 182 | |
| 40 | ≥197 |
Disclaimer:
These norms are valid only under conditions of fully independent completion. Any external aid invalidates the resulting estimate.