Most nations have exhibited substantial increases in IQ scores during the past century. This phenomenon is called the "_____."

Name: Most nations have exhibited substantial increases in IQ scores during the past century. This phenomenon is called the "_____."
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Question

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The phenomenon described in the question is commonly known as the "Flynn Effect," named after James R. Flynn, who extensively studied the increase in IQ scores. Options A, B, and C are not accurate terms or names for this phenomenon.

Most Nations Have Exhibited Substantial Increases in IQ Scores During