The Cognitive Reflection Test (CRT), touted by many as the world's shortest IQ test, is garnering attention anew on the internet. This quick IQ test purportedly shows that you are smarter than 80% ...

The Cognitive Reflection Test measured their ability to override intuitive, automatic responses in favor of analytical reasoning.

This is the most recent time the former president has claimed to have passed a cognitive test, which experts say are simple exams meant to test for brain function problems.

What do cognitive tests do? Cognitive tests can assess mental awareness, reasoning and memory. Cognitive tests are not for gaffes, as Biden and Trump have been prone to make.

Biden is resistant to taking a cognitive test. Try a short one yourself. This isn’t a real cognitive test, but it should give you an understanding of how simple screenings work.