Which has NOT been used to explain the Flynn effect?

Name: Which has NOT been used to explain the Flynn effect?
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Question

Quizplus · Accepted Answer

Smaller gene pools have not been used to explain the Flynn effect. The Flynn effect refers to the phenomenon of an increase in average scores on standardized intelligence tests over time, which has been attributed to various factors such as improved nutrition, better education, and smaller family size.

Which Has NOT Been Used to Explain the Flynn Effect