Which statement accurately describes the Flynn effect?

A. There was an increase in median IQ scores during the 20th century, but it was not substantial.
B. There was an increase in median IQ scores during the 20th century, which was steep and significant.
C. There was a decrease in median IQ scores during the 20th century, but it was not substantial.
D. There was decrease in median IQ scores during the 20th century, which was steep and significant.


Answer: B

Psychology

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