The Flynn effect shows IQ scores have been rising from "summary" of IQ and Human Intelligence by Nicholas Mackintosh
The Flynn effect refers to the observed phenomenon that IQ scores have been rising over time. This trend was first identified by James Flynn, an American political philosopher, in the 1980s. Since then, numerous studies have confirmed that IQ scores have indeed been increasing in many parts of the world. There are several theories as to why this increase in IQ scores has occurred. One possible explanation is that improvements in nutrition and healthcare have led to better physical development, which in turn has boosted cognitive abilities. Another theory suggests that advances in education and technology have provided individuals with more opportunities to develop their intellectual skills. It is important to note that the Flynn effect does not mean that people ar...
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