|IQ Range|| |
|140 and over||Genius or near genius|
|120-140||Very superior intelligence|
|90-110||Normal or average intelligence|
|Below 70||Definite feeble-mindedness|
Mental deficiency used to be more finely classified using the following technical terms that later began to be abused by the rest of society (5):
Thus, for an idiot to call someone a moron could be viewed as a compliment.
And no one wants that to happen.