Suppose further than IQ is 100% genetically-determined and say 80% heritable. Suppose we take those IQ = 150 people and maroon them.
Heritability question. Suppose we have a bunch of IQ = 150 people from a population of mean IQ = 100 (SD = 15) people.
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We can get an E[IQ] for the marooned population's first generation of offspring. Can we get E[IQ] (100=original pop) for later generations?
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ummmm--I yield to @squarate on this, but the way I vaguely recall this working is: yes gaussian phenotype, from sum of many bernoulli draws;
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but with a high-IQ selected sample's bernoulli ps will be different from population regression to the mean comes from . . . interactions?
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