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"Robert: And that’s because there are very few very bright parents. They probably don't have as many kids on average, but there’s regression to the mean. So, if PhDs have an average IQ of 130, if two PhD people marry and have kids, the average IQ of their kids won't be 130, it will be 115. And that's because it's 50% heritable."

Isn't this only the case if we assume that the grandparents are of average genotypic cognitive ability?

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Fascinating conversation, indeed! Plomin is one of my quiet heroes. Perseverance in pursuit of truth. Follow the evidence where it leads. It takes courage. It shouldn't have to but it does.

The implication of 'p' factor as analogous to 'g' factor is potentially revolutionary. Throw out the DSM.

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"And as Jesus passed by, he saw a man which was blind from his birth.

And his disciples asked him, saying, Master, who did sin, this man, or his parents, that he was born blind?

Jesus answered, Neither hath this man sinned, nor his parents" (John 9:1-3)

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that's it I'm going to make a conspiracy theory about how the vaccines are going to kill all the compliant people as a method of selecting for individualist, liberal, revolutionary traits to create a population who will reject Christ

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Richard, is there a way to download the CSPI podcasts without using one of the podcast apps? Just a right-click save-as method?

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Great guest. Richard, this is a top tier podcast! Keep up the good work.

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