| IQ Guidelines | ||
| IQ Interval | Cognitive Designation | Common Possessors |
| 85 - 114 | Average | Pupils at junior high school |
| 115 - 124 | Above average | Pupils at senior high school |
| 125 - 134 | Gifted | University graduates |
| 135 - 144 | Highly gifted | Intellectuals |
| 145 - 154 | Genius | Professors |
| 155 - 164 | Genius | Nobel Prize Winners |
| 165 - 179 | High genius | |
| 180 - 200 | Highest genius | |
| >200 | "Unmeasurable" genius | |