4min chapter

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#302 – Richard Haier: IQ Tests, Human Intelligence, and Group Differences

Lex Fridman Podcast

CHAPTER

The Flynn Effect on Intelligence

IQ scores have been drifting up about three points per decade. This is not a personal effect. This is a cohort effect, it's not for an individual. What on earth causes this and doesn't this mean intelligence and G factor cannot be genetic because the scale of natural selection is much, much longer than a couple of decades ago. But certainly it can be the flin effect can affect the non-genetic aspects of intelligence as well.

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