IQ improves rationality somewhat, and IQ is genetic.
Furthermore, consider reasoning with a prior over the heritability coefficient.
I see—you’re right that I don’t have any data against heritability of rationality.
(And JoshuaZ will need to take the IQ into account when doing the twin studies.)
IQ improves rationality somewhat, and IQ is genetic.
Furthermore, consider reasoning with a prior over the heritability coefficient.
I see—you’re right that I don’t have any data against heritability of rationality.
(And JoshuaZ will need to take the IQ into account when doing the twin studies.)