The Flynn Effect
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The Flynn Effect
Researchers have observed a phenomenon known as the Flynn Effect: a consistent increase in Intelligence Quotient (IQ) scores from one generation to the next. This trend, named after intelligence researcher James Flynn, shows that average IQ scores have risen by about three points per decade in many parts of the world.
Various theories have been proposed to explain this trend. One hypothesis is that improvements in nutrition and healthcare have enhanced brain development, leading to higher IQ scores. Another theory suggests that the complexity of modern life, with its increased cognitive demands, has driven this rise. The widespread use of technology and a more stimulating environment could also be contributing factors.
█ However, the Flynn Effect does not necessarily indicate that people are becoming more intelligent. █ Some researchers argue that the rise in IQ scores reflects better test-taking skills or familiarity with the types of tasks presented in IQ tests, rather than a genuine increase in cognitive abilities. █ Recent studies have shown that the Flynn Effect may be slowing down or even reversing in some countries, challenging the notion of a universal and perpetual increase in intelligence. █
Question 1查看单题
The word "consistent" in the passage is closest in meaning to
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正确答案：B
Question 2查看单题
All of the following are mentioned in the passage as possible contributors to the trend of IQ scores EXCEPT
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正确答案：B
Question 3查看单题
According to some researchers, the Flynn Effect may be a sign that
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正确答案：A
Question 4查看单题
Why does the author mention that the Flynn Effect may be slowing down or reversing in some countries?
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正确答案：A
Question 5查看单题
There are four locations █ in the passage that indicate where the following sentence could be added.
Changes in educational practices or shifts in societal values could account for the downturn.