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    The Critical Thinking Quiz

    How alert are you to bad arguments and soggy logic? #TalkCriticalThinking

    1. Which of these is a valid argument?

      Correct! 
      Wrong! 

      Strictly logical

      In terms of logic - which is what validity is all about - if it is true that someone will never truthfully admit to being a spy, then we can never get a positive, honest confirmation from them. But this doesn't mean that they must be lying if they deny it.

    2. Which of these is fallacious?

      Correct! 
      Wrong! 

      Circumstantial ad hominem

      It may be sensible to be sceptical (or respectful) based on someone's background, but it is not a general rule that someone's circumstances allow us entirely to dismiss the content of what they say: this is thus a fallacious assertion.

    3. Can you spot the circular argument?

      Correct! 
      Wrong! 

      Round and round

      A circular argument provides a conclusion that justifies its initial premise, which then justifies its conclusion, and so on. Only the last of these arguments does this, forming a closed loop of ideas.

    4. Which is the most likely possibility?

      Correct! 
      Wrong! 

      Statistically speaking

      Given that general personality traits are a poor predictor of what someone studies, the most likely scenario is the one that encompasses the most possibilities: the last one.

    5. Which is the better option?

      Correct! 
      Wrong! 

      Emotional impact

      The idea of "losing" $5 may feel worse than "buying" a lottery ticket for $5, but both scenarios are identical: they offer a 10% chance of ending up $95 richer, and a 90% chance of ending up $5 poorer.

    Want to find out more? Check out my book Critical Thinking in all its glory!

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