The Flynn Effect

According to the phenomenon known as the Flynn effect, what did overall human intelligence do during the 20th century?

  • A. stay the same
  • B. increase
  • C. sharply decline
  • D. yield to our robot overlords

50% of players knew the correct answer: B., increase

The Flynn effect suggests that over the 20th century, IQ test scores increased around the world. For example, one study found that, between 1942 and 2008, British children's average IQ scores rose by 14 points.


Listen and learn more about today's topic with Murray and Tamika.

Question of the Day: The Flynn Effect
In this Flashcast, Murray and Tamika explore the Flynn effect, which suggests that IQ test scores increased around the world during the 20th century. (One study found that, between 1942 and 2008, British children's average IQ scores rose by 14 points.)

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