The definition of what constitutes mental retardation is changing.
Historically, mental retardation, once called feeblemindedness, idiocy, and mental deficiency, was based strictly on the scientific result of the IQ test.Anyone scoring below 70 on the IQ test was known to be mentally retarded. According to Psychiatric Services, that definition is changing.In fact, even the name is [...]
Categories: intelligence, iq, test, testing