Intellectual disability (ID)

Intellectual Disability (ID): An ID is defined as an IQ below 70 (<70).

 

IQ = (Mental age / Chronological age) x 100

 

Classification 

IQ range 

How to remember?

Mild ID

50 - 69

<70

Moderate ID

35 - 49

<50

Severe ID

20 - 34

<35

Profound ID

<20

<20

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