Intelligence and Achievement

AP Psychology· difficulty 4/5

The Flynn effect describes

A
$Average IQ scores have steadily declined over generations$
B
$Average IQ scores have remained constant across history$
C
$Average IQ scores fluctuate with the time of year$
D
$Average IQ scores rising over generations in many countries$
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Explanation

Tests are periodically re-normed to keep mean at 100.

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