Twin study suggests rationality and intelligence share the same genetic roots - the study suggests that being irrational, or making illogical choices, might simply be another way of measuring lower intelligence.

[u/mvea]

https://www.psypost.org/twin-study-suggests-rationality-and-intelligence-share-the-same-genetic-roots/

[u/neobeguine]

The concern is that if you are too married to your hypothesis, you will find reasons to ignore any results that might contradict it and chose measures or tests that are most likely to give you the result you want.  It's like trying to do a push poll on the universe

[u/SoldnerDoppel → u/neobeguine]

That's why replication is so important, though there's little interest in it since it's so "unglamorous".

[u/tufftricks → u/SoldnerDoppel]

That's why replication is so important

Are we still not neck deep in the "replication crisis"

[u/Cyllid → u/tufftricks]

Pretty sure that's what the part of your quote that you deleted, implied.