The average person today scores about _____ IQ points higher than the average person did 100 years ago.
A)10
B)20
C)30
D)40

Name: The average person today scores about _____ IQ points higher than the average person did 100 years ago. A)10 B)20 C)30 D)40
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The phenomenon that the average IQ scores have increased over the past century is known as the Flynn effect. On average, IQ scores have increased by about 3 points per decade, which translates to approximately 30 points over 100 years.

The Average Person Today Scores About _____ IQ Points Higher