Raw scores on IQ tests for many populations have been rising at an average rate of three IQ points per decade since the early 20th century, a phenomenon called the Flynn effect. Investigation of different patterns of increases in subtest scores can also inform research on human intelligence. · An IQ (intelligence quotient) test is a standardized method to know the mental ability of a person, usually against a peer group. IQ scores between 90 and 109 indicate normal or average intelligence. · Key Takeaways The average IQ score is 100 on most IQ tests. About 68% of people score between 85 and 115, or one standard deviation from the mean. Scores below 70 may indicate a developmental disability, while scores above 130 may suggest giftedness. · By design, the average intelligence quotient (IQ) is 100 for all people, with scores that assess your ability to think, understand, reason, learn, and remember. · So what is an average IQ score range, and how do you know if you have a genius IQ? There are a number of different intelligence tests, but the first and most well-know was developed in the early 1900s by Alfred Binet, a French psychologist. Learn more about IQ scores and various IQ ranges. · The average IQ score is 100 with most people falling between 85 and 115 showing typical problem solving and reasoning ability. · By definition, IQ is scaled so that about 2/3 of the population scores in the broadly “average” band (85–115, encompassing the High Average, Average, and Low Average sub-ranges), while very high and very low scores are relatively rare.
