IQ Reference Values: Average 100, Standard Deviation 15, Differences by Test, and Their Uses

IQ reference values are designed using a scale of "average 100, standard deviation 15." Many intelligence tests base their ...
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What is the average IQ—and what your score actually means

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 ...

Are there differences in average IQ, distribution, and variance between men and women? An examination using research papers and data from 40,000 people

To start with the conclusion, there is no difference in average IQ between men and women that is meaningful in real life. Even in a 2022 meta-analysis aggregating 79 studies and 46,605 people, the ...