The average IQ score is designed to be 100. IQ scores between 90 and 109 are considered average. Genetics accounts for about 50% of the IQ differences between people. The intelligence quotient (IQ) is ...
Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: f11photo / Shutterstock. Intelligence is a complicated trait to measure, shaped by an intricate interplay of ...
A new 2026 study reveals the average IQ for every state. See where New Jersey ranks among the smartest states.