There have been multiple classifications or tests for IQ, but the common conclusion places the normal or average IQ at 90 to 110. Tests for IQ are sometimes subjective based on the testing criteria and application, but the science is constantly evolving as new information about intelligence is uncovered.Know More
The first IQ test was developed by the Frenchman Alfred Binet in 1904. Since its inception, the IQ test has been subjected to radical scrutiny and controversy. As of 2014, IQ tests seek to evaluate cognitive skills that remove factors such as socioeconomic standards and racial bias.
Mensa International is an organization that focuses on those with high IQs, and their goal is "to identify and foster human intelligence for the benefit of humanity."Learn more about Psychology
An IQ of 107 is considered average. Fifty percent of the population falls into the average range, which includes IQ scores between 90 and 109. An IQ between 85 and 89 is considered a low average, with 23 percent of the population falling into this category.Full Answer >
A person with an IQ of 131 is considered gifted and is allowed to become a member of Mensa. The minimum IQ required to become a member of Mensa is 130. Two percent of the population falls into the gifted IQ range, which is from 130 and up.Full Answer >
About.com does not cite age as a factor in deciding someone's IQ. Therefore, the average IQ of a 15-year-old would be about 100, which is the average for every other age.Full Answer >
An IQ of 126 allows someone to become a member of the International High IQ Society, as an IQ of at least 124 is required to enter. The high IQ range is 115 to 129. This range includes 15 percent of the population.Full Answer >