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/Sinai]

That's the great thing about quantitative testing, because you can show exactly how much more often dumb people make of wrong decisions in different situations, and then you have learned something about how much more or less intelligence matters in different situations.

[u/demonicneon → u/Sinai]

Who decides what is irrational though?

[u/nickeypants → u/[deleted]]

Amazing to see how predictably human my brain is. I fell into the exact trap explained below the first puzzle despite taking a good 20 minutes to make up my mind, and got the social test almost immediately. Everyone should give this a try.

[u/ThrowbackPie → u/nickeypants]

What social test?

Edit: oh I just had to read more of the Wikipedia article.

[u/sybilsibyl → u/ThrowbackPie]

The third external link on the wiki page has a test too

[u/lafayette0508 → u/nickeypants]

wow, that is WILD. Same here. I'm so surprised that the same logical question had such a marked difference in how easy/hard it was to understand in the two instantiations.

[u/Sinai → u/lafayette0508]

As it says in the wikipedia article, one stance is that this is expected because of experience effects. It's harder to get a question right when you've never experienced it before, but almost everybody is familiar with alcohol age laws.