Which of the following would researchers argue best accounts for the Flynn effect, based on current findings?

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The Flynn effect, which refers to the observed rise in IQ scores over time, is complex and cannot be attributed to a single factor. Researchers argue that it is likely due to a combination of factors including improvements in nutrition, health care, education, and other environmental changes, rather than being solely genetic or due to any single cause.

Which of the Following Would Researchers Argue Best Accounts for the Flynn