Average IQ by US State

What's your IQ? A recent study, conducted by researchers at Northwestern University and the University of Oregon, has indicated that IQ scores in the United States have decreased for the first time in years. The goal of research was to identify changes in the Flynn effect from 2006 to 2018. The Flynn effect refers to the phenomenon in which IQ scores in the U.S. have increased steadily, by as much as five points per decade, from the 1930s to the 2010s. According to the trend of the Flynn effect