IQs of Americans have gone up about __________ point(s) per decade since 1940.

A) 1
B) 2
C) 3
D) 4

Question

IQs of Americans have gone up about __________ point(s)  per decade since 1940.A)  1B)  2C)  3D)  4

Dominic Reome · Accepted Answer

Final Answer : C, Explanation :  IQ scores have been observed to increase by about 3 points per decade since the 1940s, a phenomenon known as the Flynn effect.

IQs of Americans have gone up about __________ point(s) per decade since 1940.

A) 1
B) 2
C) 3
D) 4

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Learning Objectives

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