The Flynn effect is MOST likely due to changes in _____.

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The Flynn effect is the phenomenon of the increase in IQ scores over time, and it is believed to be primarily the result of improvements in education and health. This is supported by research showing that the effect is larger on items that require abstract reasoning or knowledge gained through education, and that it is greater in countries with better education and health systems. Test-taking strategies, electronic media, and people's reaction time are less likely to account for the sustained increase in IQ scores over time.

The Flynn Effect Is MOST Likely Due to Changes in _____