Fifty years ago, if your grandparents had an IQ of 100, they might score as low as about 70 today because your grandparents
A)read fewer books and may not have graduated from high school.
B)had a poorer diet and exercised less than today's youth.
C)depended less on abstract reasoning than people today.
D)experienced more stress than people today and were less able to deal with it effectively.

Question

Quizplus · Accepted Answer

The phenomenon described is related to the Flynn effect, which observes that IQ scores have been increasing over the generations due to various factors, including improved education and more reliance on abstract reasoning in modern societies.

Fifty Years Ago, If Your Grandparents Had an IQ of 100