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What does the concept of the "Flynn Effect" refer to?

A. A decrease in the average IQ of the population over time.
B. No change in the average IQ of the population over time.
C. A rise in the average IQ of the population over time.
D. A decline in the variation of IQ scores.

Answer :

The Flynn Effect refers to the substantial increase in average IQ scores on intelligence tests over the decades, with several factors contributing to this trend although its implications are still debated.

The concept of the Flynn Effect refers to the observation that scores on intelligence tests worldwide have increased substantially over the past decades. Specifically, the average increase is about three IQ points every 10 years. This trend has been attributed to various factors, such as better nutrition, greater access to information, and increased familiarity with the format of IQ tests. However, the true implications of this increase in IQ scores and whether it indicates that people are actually getting smarter remain debatable.

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