IQ Classifications

By Pratyush kumar

IQ score ranges (from DSM-IV):

Mild mental retardation: IQ 50–55 to 70; children require mild support; formally called "Educable Mentally Retarded".

Moderate retardation: IQ 35–40 to 50–55; children require moderate supervision and assistance; formally called "Trainable Mentally Retarded".

Severe mental retardation: IQ 20–25 to 35–40; can be taught basic life skills and simple tasks with supervision.

Profound mental retardation: IQ below 20–25; usually caused by a neurological condition; require constant care.

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