Which of the following statements regarding IQ scores is TRUE?
A)IQ scores are increasing rapidly around the world.
B)The increase in IQ scores has taken place in a short period of time.
C)The increase in IQ scores may be related to increased level of education or other environmental factors.
D)All of these choices are correct.

Question

Quizplus · Accepted Answer

The phenomenon described in all the options is known as the Flynn effect, which observes that there has been a significant and long-standing increase in intelligence test scores measured in many parts of the world. This increase is attributed to various factors, including better education, improved nutrition, and other environmental improvements.

Which of the Following Statements Regarding IQ Scores Is TRUE