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):
IQ Range Classification
- 50-69 Moron
- 20-49 Imbecile
- below 20 Idiot
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):
IQ Range Classification
An individual is considered to have mental retardation based on the following three criteria: