Performance on IQ tests has improved steadily ever since the tests were first introduced, with an average gain of about 3 points per decade. This phenomenon is called the

Name: Performance on IQ tests has improved steadily ever since the tests were first introduced, with an average gain of about 3 points per decade. This phenomenon is called the
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The Flynn effect refers to the observed rise in average IQ scores over time, approximately 3 points per decade, since the inception of the tests.

Performance on IQ Tests Has Improved Steadily Ever Since the Tests