How to read IQ scores ?

• Over 140 - Genius or near genius
• 120 - 140 - Very superior intelligence
• 110 - 119 - Superior intelligence
• 90 - 109 - Normal or average intelligence
• 80 - 89 - Dullness
• 70 - 79 - Borderline deficiency
• Under 70 - Definite feeble-mindedness

*Lewis Madison Terman an American educational psychologist, developed the original notion of IQ scale and proposed this scale for classifying IQ scores.