Signs Of Low And High Iq
A young boy and older man are playing chess. Image Credit: Jose Luis Pelaez Inc/Blend Images/Getty Images According to the Extreme Intellect website, the average intelligence quotient (IQ) is between 85 and 115, which comes from dividing a person’s tested mental age by her chronological age and multiplying that number by 100. Half the population of the United States have IQs of between 90 and 110, with 25 percent higher than that and 25 percent lower....