Critical Thinking

Need a simple exercise to teach the principle of falsification?

I just saw the following video and thought it would make for a great classroom exercise in critical thinking:



It’s such an elegant way of demonstrating not only the principle of falsification, but also how attachment to our own theories or explanations can distract us from productive lines of inquiry. I’m going to use it next chance I get!

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Dan holds a PhD in Music History from a major Canadian university and is now pursuing a M.Ed in Higher Education at another one, because he likes to collect very expensive paper. He performs stand-up comedy at venues all over Toronto when he's not busy playing JRPGs with his cat, Roy. You can follow him at @incontrariomotu, but he isn't going anywhere. You can also send him a tip on PayPal ( if you like his work!

1 Comment

  1. February 25, 2014 at 3:53 pm —

    I guessed his rule pretty quickly, but this sort of thing IS a classic demonstration. Another good rule would be “always goes up or always goes down”, where people would have to propose a set like “1 3 2”, or further out of the box concepts to try to get the answer.

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