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#302 – Richard Haier: IQ Tests, Human Intelligence, and Group Differences
Lex Fridman Podcast
The Weight of Evidence Says That Genes Are Important
The weight of evidence tells me genes are important. But what does that mean? The environment has to have something to do with it, especially if the best genetic estimates of the amount of variance around 50 or even as high as 80%, still leaves 20% of non-genetic. Now maybe that is all luck. Maybe that's all chance. I could easily believe that. So, but I do think after 50 years of trying various interventions and nothing works,. including memory training, including listening to Mozart, including playing computer games, none of that has shown any impact on intelligence test scores.
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