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Pepsi [2]
3 years ago
15

What states that scores on IQ tests have steadily risen since 1920?

History
2 answers:
natulia [17]3 years ago
6 0

Answer:

The answer is C

Explanation:

I just took the test

kogti [31]3 years ago
4 0
The correct answer is letter C. The Flynn Effect states that scores on IQ tests have steadily risen since 1920. This long-sustained increase in intelligence scores are observed in many different countries where standardized tests are given to people. When changes in the tests occur, sample groups are tested before it is done on a wide scale.
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