a2zpsychology.com > Psychology Guide > Basic Concepts > IQ Test Ratings |
Intelligence Quotient Test Ratings
Source: The Stanford-Binet Intelligence Scale: Fourth edition.
| Score | Classification |
| 132 and above | Very superior |
| 121-131 | Superior |
| 111-120 | High average |
| 89-110 | Average |
| 79-88 | Low average |
| 68-78 | Slow learner |
| 67 or below | Mentally retarded |
