The five to 25-point IQ gains that have occurred in 14 nations in the last 30 years reflect the influence of all of the following EXCEPT
A) genetics.
B) improved education.
C) improved nutrition.
D) living in a technologically complex society.

Question

Quizplus · Accepted Answer

The gains in IQ observed across various nations over the last 30 years are largely attributed to environmental factors such as improved education, nutrition, and the complexity of living in a technologically advanced society, rather than genetics, which does not change significantly within such a short timeframe.

The Five to 25-Point IQ Gains That Have Occurred in 14